Deck 2: Charts and Graphs
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ملء الشاشة (f)
Deck 2: Charts and Graphs
1
One advantage of a stem and leaf plot over a frequency distribution is that the values of the original data are retained.
True
2
A graphical representation of a frequency distribution is called a pie chart.
False
3
A Pareto chart and a pie chart are both types of qualitative graphs.
False
4
A histogram can be described as a type of vertical bar chart.
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5
A cross tabulation is a graph that separately displays the frequency counts for two variables.
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6
The difference between the highest number and the lowest number in a set of data is called the differential frequency.
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7
When looking at a scatter plot, if a trend can be discerned between changes in one variable that appear to be related to changes in the other variable, there is likely a relationship between the two variables.
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8
One rule that must always be followed in constructing frequency distributions is that the adjacent classes must overlap.
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9
A graphical representation of a frequency distribution is called a pie chart.
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10
For any given data set, a frequency distribution with a larger number of classes will always be better than the one with a smaller number of classes.
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11
A scatter plot is a two-dimensional graph plot of data containing pairs of observations on two numerical variables.
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12
For a company in gardening supplies business, the best graphical way to show the percentage of a total budget that is spent on each of a number of different expense categories is the stem and leaf plot.
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13
A cumulative frequency polygon is also called an ogive.
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14
A summary of data in which raw data are grouped into different intervals and the number of items in each group is listed is called a frequency distribution.
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15
A cumulative frequency distribution provides a running total of the frequencies in the classes.
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16
To consider historical data as part of their decisions, management often uses time-series data.
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17
A scatter plot is useful for examining the relationship between two numerical variables.
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18
In a histogram, the tallest bar represents the class with the highest cumulative frequency.
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19
If the individual class frequency is divided by the total frequency, the result is the median frequency.
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20
In contrast to quantitative data graphs that are plotted along a numerical scale, qualitative graphs are plotted using non-numerical categories.
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21
A frequency distribution was developed.The lower endpoint of the first class is 9.30, and the midpoint is 9.35.What is the upper endpoint of this class?
A)9.50
B)9.60
C)9.70
D)9.40
E)9.80
A)9.50
B)9.60
C)9.70
D)9.40
E)9.80
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22
A person has decided to construct a frequency distribution for a set of data containing 60 numbers.The lowest number is 23 and the highest number is 68.If 5 classes are used, the class width should be approximately ___.
A)4
B)12
C)8
D)5
E)9
A)4
B)12
C)8
D)5
E)9
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23
The number of phone calls arriving at a switchboard each hour has been recorded, and the following frequency distribution has been developed: Class Interval Frequency
20-under 40 30
40-under 60 45
60-under 80 80
80-under 100 45
What is the midpoint of the last class?
A)80
B)100
C)95
D)90
E)85
20-under 40 30
40-under 60 45
60-under 80 80
80-under 100 45
What is the midpoint of the last class?
A)80
B)100
C)95
D)90
E)85
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24
The cumulative frequency for a class is 27.The cumulative frequency for the next (non-empty)class will be ___.
A)less than 27
B)equal to 27
C)next class frequency minus 27
D)27 minus the next class frequency
E)27 plus the next class frequency
A)less than 27
B)equal to 27
C)next class frequency minus 27
D)27 minus the next class frequency
E)27 plus the next class frequency
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25
Consider the following frequency distribution: Class Interval Frequency
10-under 20 15
20-under 30 25
30-under 40 10
What is the cumulative frequency of the second class interval?
A)25
B)40
C)15
D)50
10-under 20 15
20-under 30 25
30-under 40 10
What is the cumulative frequency of the second class interval?
A)25
B)40
C)15
D)50
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26
The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school: Salary Number of Graduates
($1,000s)
18-under 21 -
21-under 25 -
24-under 27 -
29-under 30 -
Before data was collected, someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)The class widths are too large.
D)The second and the third interval overlap.
E)There are too few intervals.
($1,000s)
18-under 21 -
21-under 25 -
24-under 27 -
29-under 30 -
Before data was collected, someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)The class widths are too large.
D)The second and the third interval overlap.
E)There are too few intervals.
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27
The number of phone calls arriving at a switchboard each hour has been recorded, and the following frequency distribution has been developed: Class Interval Frequency
20-under 40 30
40-under 60 45
60-under 80 80
80-under 100 45
What is the cumulative frequency of the third class?
A)80
B)0.40
C)155
D)75
E)105
20-under 40 30
40-under 60 45
60-under 80 80
80-under 100 45
What is the cumulative frequency of the third class?
A)80
B)0.40
C)155
D)75
E)105
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28
To show differences between different series during the same time periods, different trend lines, each in a different color, and all using the same x axis for graphing.
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29
Abel Alonzo, Director of Human Resources, is exploring employee absenteeism at the Harrison Haulers Plant during the last operating year.A review of all personnel records indicated that absences ranged from zero to twenty-nine days per employee.The following class intervals were proposed for a frequency distribution of absences: Absences Number of Employees
(Days)
0-under 5 -
5-under 10 -
10-under 15 -
20-under 25 -
25-under 30 -
Which of the following represents a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29, inclusively, would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
(Days)
0-under 5 -
5-under 10 -
10-under 15 -
20-under 25 -
25-under 30 -
Which of the following represents a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29, inclusively, would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
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30
Time-series data should be shown from oldest time period to the most recent.
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31
Abel Alonzo, Director of Human Resources, is exploring employee absenteeism at the Harrison Haulers Plant during the last operating year.A review of all personnel records indicated that absences ranged from zero to twenty-nine days per employee.The following class intervals were proposed for a frequency distribution of absences: Absences Number of Employees
(Days)
0-under 10 -
10-under 20 -
20-under 30 -
Which of the following might represent a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29 would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
(Days)
0-under 10 -
10-under 20 -
20-under 30 -
Which of the following might represent a problem with this set of intervals?
A)There are too few intervals.
B)Some numbers between 0 and 29 would not fall into any interval.
C)The first and second interval overlaps.
D)There are too many intervals.
E)The second and the third interval overlap.
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32
To compare two series of data during the same time period, the graph should show the first and then show the second after that, all in one line.
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33
Visualization of time-series data is considered descriptive business analytics.
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34
Consider the relative frequency distribution given below: Class Interval Relative Frequency
20-under 40 0.2
40-under 60 0.3
60-under 80 0.4
80-under 100 0.1
There were 60 numbers in the data set.How many numbers were in the interval 20-under 40?
A)12
B)20
C)40
D)10
E)15
20-under 40 0.2
40-under 60 0.3
60-under 80 0.4
80-under 100 0.1
There were 60 numbers in the data set.How many numbers were in the interval 20-under 40?
A)12
B)20
C)40
D)10
E)15
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35
Consider the following frequency distribution: Class Interval Frequency
10-under 20 15
20-under 30 25
30-under 40 10
What is the relative frequency of the first class?
A)0.15
B)0.30
C)0.10
D)0.20
E)0.40
10-under 20 15
20-under 30 25
30-under 40 10
What is the relative frequency of the first class?
A)0.15
B)0.30
C)0.10
D)0.20
E)0.40
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36
Consider the following frequency distribution: Class Interval Frequency
10-under 20 15
20-under 30 25
30-under 40 10
What is the midpoint of the first class?
A)10
B)20
C)15
D)30
E)40
10-under 20 15
20-under 30 25
30-under 40 10
What is the midpoint of the first class?
A)10
B)20
C)15
D)30
E)40
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37
The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school: Salary Number of Graduates
($1,000s)
18-under 21 -
21-under 25 -
24-under 27 -
29-under 30 -
Before data was collected, someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)Some numbers between 18,000 and 30,000 would fall into two different intervals.
D)The first and the second interval overlap.
E)There are too few intervals.
($1,000s)
18-under 21 -
21-under 25 -
24-under 27 -
29-under 30 -
Before data was collected, someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)Some numbers between 18,000 and 30,000 would fall into two different intervals.
D)The first and the second interval overlap.
E)There are too few intervals.
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38
A person has decided to construct a frequency distribution for a set of data containing 60 numbers.The lowest number is 23 and the highest number is 68.If 7 classes are used, the class width should be approximately ___.
A)5
B)7
C)9
D)11
E)12
A)5
B)7
C)9
D)11
E)12
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39
The point of "cleaning" time-series data is to be sure all the data are accurate.
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40
The number of phone calls arriving at a switchboard each hour has been recorded, and the following frequency distribution has been developed: Class Interval Frequency
20-under 40 30
40-under 60 45
60-under 80 80
80-under 100 45
What is the relative frequency of the second class?
A)0.455
B)0.900
C)0.225
D)0.750
E)0.725
20-under 40 30
40-under 60 45
60-under 80 80
80-under 100 45
What is the relative frequency of the second class?
A)0.455
B)0.900
C)0.225
D)0.750
E)0.725
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41
Each day, the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows:
The total number of sales transactions on Saturday was ___.
A)200
B)500
C)300
D)100
E)400

A)200
B)500
C)300
D)100
E)400
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42
Consider the following stem and leaf plot: Stem Leaf
1 0, 2, 5, 7
2 2, 3, 4, 8
3 0, 4, 6, 6, 9
4 5, 8, 8, 9
5 2, 7, 8
Suppose that a frequency distribution was developed from this, and there were 5 classes (10-under 20, 20-under 30, etc.).What was the lowest number in the data set?
A)0
B)10
C)7
D)2
E)1
1 0, 2, 5, 7
2 2, 3, 4, 8
3 0, 4, 6, 6, 9
4 5, 8, 8, 9
5 2, 7, 8
Suppose that a frequency distribution was developed from this, and there were 5 classes (10-under 20, 20-under 30, etc.).What was the lowest number in the data set?
A)0
B)10
C)7
D)2
E)1
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43
Consider the following frequency distribution: Class Interval Frequency
100-under 200 25
200-under 300 45
300-under 400 30
What is the cumulative frequency of the second class interval?
A)25
B)45
C)70
D)100
E)250
100-under 200 25
200-under 300 45
300-under 400 30
What is the cumulative frequency of the second class interval?
A)25
B)45
C)70
D)100
E)250
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44
The following represent the ages of students in a class: 19, 23, 21, 19, 19, 20, 22, 31, 21, 20
If a stem and leaf plot were to be developed from this, how many stems would there be?
A)2
B)3
C)4
D)5
E)10
If a stem and leaf plot were to be developed from this, how many stems would there be?
A)2
B)3
C)4
D)5
E)10
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45
Consider the following stem and leaf plot: Stem Leaf
1 0, 2, 5, 7
2 2, 3, 4, 8
3 0, 4, 6, 6, 9
4 5, 8, 8, 9
5 2, 7, 8
Suppose that a frequency distribution was developed from this, and there were 5 classes (10-under 20, 20-under 30, etc.).What is the cumulative frequency for the 30-under 40 class interval?
A)5
B)9
C)13
D)14
E)18
1 0, 2, 5, 7
2 2, 3, 4, 8
3 0, 4, 6, 6, 9
4 5, 8, 8, 9
5 2, 7, 8
Suppose that a frequency distribution was developed from this, and there were 5 classes (10-under 20, 20-under 30, etc.).What is the cumulative frequency for the 30-under 40 class interval?
A)5
B)9
C)13
D)14
E)18
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46
An instructor has decided to graphically represent the grades on a test.The instructor uses a plus/minus grading system (i.e., she gives grades of A-, B+, etc.).Which of the following would provide the most information for the students?
A)a histogram
B)a stem and leaf plot
C)a cumulative frequency distribution
D)a frequency distribution
E)a scatter plot
A)a histogram
B)a stem and leaf plot
C)a cumulative frequency distribution
D)a frequency distribution
E)a scatter plot
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47
Consider the relative frequency distribution given below: Class Interval Relative Frequency
20-under 40 0.2
40-under 60 0.3
60-under 80 0.4
80-under 100 0.1
There were 60 numbers in the data set.How many of the number were less than 80?
A)90
B)80
C)0.9
D)54
E)100
20-under 40 0.2
40-under 60 0.3
60-under 80 0.4
80-under 100 0.1
There were 60 numbers in the data set.How many of the number were less than 80?
A)90
B)80
C)0.9
D)54
E)100
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48
Pinky Bauer, Chief Financial Officer of Harrison Haulers, Inc., suspects irregularities in the payroll system, and orders an inspection of "each and every payroll voucher issued since January 1, 2000." Each payroll voucher was inspected and the following frequency distribution was compiled. Errors per Voucher Number of Vouchers
0-under 2 500
2-under 4 400
4-under 6 300
6-under 8 200
8-under 10 100
The relative frequency of the first class interval is ___.
A)0.50
B)0.33
C)0.40
D)0.27
E)0.67
0-under 2 500
2-under 4 400
4-under 6 300
6-under 8 200
8-under 10 100
The relative frequency of the first class interval is ___.
A)0.50
B)0.33
C)0.40
D)0.27
E)0.67
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k this deck
49
Consider the following stem and leaf plot: Stem Leaf
1 0, 2, 5, 7
2 2, 3, 4, 8
3 0, 4, 6, 6, 9
4 5, 8, 8, 9
5 2, 7, 8
Suppose that a frequency distribution was developed from this, and there were 5 classes (10-under 20, 20-under 30, etc.).What would be the relative frequency of the class 20-under 30?
A)0.4
B)0.25
C)0.20
D)4
E)0.50
1 0, 2, 5, 7
2 2, 3, 4, 8
3 0, 4, 6, 6, 9
4 5, 8, 8, 9
5 2, 7, 8
Suppose that a frequency distribution was developed from this, and there were 5 classes (10-under 20, 20-under 30, etc.).What would be the relative frequency of the class 20-under 30?
A)0.4
B)0.25
C)0.20
D)4
E)0.50
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k this deck
50
Consider the following stem and leaf plot: Stem Leaf
1 0, 2, 5, 7
2 2, 3, 4, 8
3 0, 4, 6, 6, 9
4 5, 8, 8, 9
5 2, 7, 8
Suppose that a frequency distribution was developed from this, and there were 5 classes (10-under 20, 20-under 30, etc.).What was the highest number in the data set?
A)50
B)58
C)59
D)78
E)98
1 0, 2, 5, 7
2 2, 3, 4, 8
3 0, 4, 6, 6, 9
4 5, 8, 8, 9
5 2, 7, 8
Suppose that a frequency distribution was developed from this, and there were 5 classes (10-under 20, 20-under 30, etc.).What was the highest number in the data set?
A)50
B)58
C)59
D)78
E)98
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k this deck
51
Consider the following frequency distribution: Class Interval Frequency
100-under 200 25
200-under 300 45
300-under 400 30
What is the midpoint of the last class interval?
A)15
B)350
C)300
D)200
E)400
100-under 200 25
200-under 300 45
300-under 400 30
What is the midpoint of the last class interval?
A)15
B)350
C)300
D)200
E)400
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k this deck
52
Each day, the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows:
The percentage of sales transactions on Saturday that were between $100 and $150 was ___.
A)20%
B)40%
C)60%
D)80%
E)10%

A)20%
B)40%
C)60%
D)80%
E)10%
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k this deck
53
Each day, the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows:
The percentage of sales transactions on Saturday that were at least $100 each was ___.
A)100%
B)10%
C)80%
D)20%
E)15%

A)100%
B)10%
C)80%
D)20%
E)15%
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k this deck
54
Pinky Bauer, Chief Financial Officer of Harrison Haulers, Inc., suspects irregularities in the payroll system, and orders an inspection of "each and every payroll voucher issued since January 1, 2000." Each payroll voucher was inspected and the following frequency distribution was compiled. Errors per Voucher Number of Vouchers
0-under 2 500
2-under 4 400
4-under 6 300
6-under 8 200
8-under 10 100
The cumulative frequency of the second class interval is ___.
A)1,500
B)500
C)900
D)1,000
E)1,200
0-under 2 500
2-under 4 400
4-under 6 300
6-under 8 200
8-under 10 100
The cumulative frequency of the second class interval is ___.
A)1,500
B)500
C)900
D)1,000
E)1,200
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k this deck
55
Consider the following frequency distribution: Class Interval Frequency
100-under 200 25
200-under 300 45
300-under 400 30
What is the midpoint of the first class?
A)100
B)150
C)25
D)250
E)200
100-under 200 25
200-under 300 45
300-under 400 30
What is the midpoint of the first class?
A)100
B)150
C)25
D)250
E)200
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k this deck
56
Consider the following frequency distribution: Class Interval Frequency
100-under 200 25
200-under 300 45
300-under 400 30
What is the relative frequency of the second class interval?
A)0.45
B)0.70
C)0.30
D)0.33
E)0.50
100-under 200 25
200-under 300 45
300-under 400 30
What is the relative frequency of the second class interval?
A)0.45
B)0.70
C)0.30
D)0.33
E)0.50
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k this deck
57
Consider the following stem and leaf plot: Stem Leaf
1 0, 2, 5, 7
2 2, 3, 4, 4
3 0, 4, 6, 6, 9
4 5, 8, 8, 9
5 2, 7, 8
Suppose that a frequency distribution was developed from this, and there were 5 classes (10-under 20, 20-under 30, etc.).What would the frequency be for class 30-under 40?
A)3
B)4
C)6
D)7
E)5
1 0, 2, 5, 7
2 2, 3, 4, 4
3 0, 4, 6, 6, 9
4 5, 8, 8, 9
5 2, 7, 8
Suppose that a frequency distribution was developed from this, and there were 5 classes (10-under 20, 20-under 30, etc.).What would the frequency be for class 30-under 40?
A)3
B)4
C)6
D)7
E)5
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k this deck
58
Pinky Bauer, Chief Financial Officer of Harrison Haulers, Inc., suspects irregularities in the payroll system, and orders an inspection of "each and every payroll voucher issued since January 1, 2000." Each payroll voucher was inspected and the following frequency distribution was compiled. Errors per Voucher Number of Vouchers
0-under 2 500
2-under 4 400
4-under 6 300
6-under 8 200
8-under 10 100
The midpoint of the first class interval is ___.
A)500
B)2
C)1.5
D)1
E)250
0-under 2 500
2-under 4 400
4-under 6 300
6-under 8 200
8-under 10 100
The midpoint of the first class interval is ___.
A)500
B)2
C)1.5
D)1
E)250
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k this deck
59
Consider the relative frequency distribution given below: Class Interval Relative Frequency
20-under 40 0.2
40-under 60 0.3
60-under 80 0.4
80-under 100 0.1
There were 60 numbers in the data set.How many numbers were in the interval 40-under 60?
A)30
B)50
C)18
D)12
E)15
20-under 40 0.2
40-under 60 0.3
60-under 80 0.4
80-under 100 0.1
There were 60 numbers in the data set.How many numbers were in the interval 40-under 60?
A)30
B)50
C)18
D)12
E)15
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k this deck
60
Each day, the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows:
The percentage of sales transactions on Saturday that were under $100 each was ___.
A)100
B)10
C)80
D)20
E)15

A)100
B)10
C)80
D)20
E)15
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k this deck
61
The staff of Ms.Tamara Hill, VP of Technical Analysis at Blue Sky Brokerage, prepared a frequency histogram of market capitalization of the 937 corporations listed on the American Stock Exchange in January 2003.
Approximately ___ corporations had capitalization exceeding $200,000,000.
A)50
B)100
C)700
D)800
E)890

A)50
B)100
C)700
D)800
E)890
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62
The staff of Mr.Wayne Wertz, VP of Operations at Portland Peoples Bank, prepared a cumulative frequency ogive of waiting time for walk-in customers.
The percentage of walk-in customers waiting more than 6 minutes was ___.
A)22%
B)11%
C)67%
D)10%
E)75%

A)22%
B)11%
C)67%
D)10%
E)75%
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63
The staffs of the accounting and the quality control departments rated their respective supervisor's leadership style as either (1)authoritarian or (2)participatory.Sixty-eight percent of the accounting staff rated their supervisor "authoritarian," and thirty-two percent rated him "participatory." Forty percent of the quality control staff rated their supervisor "authoritarian," and sixty percent rated her "participatory." The best graphic depiction of these data would be two ___.
A)histograms
B)frequency polygons
C)ogives
D)pie charts
E)scatter plots
A)histograms
B)frequency polygons
C)ogives
D)pie charts
E)scatter plots
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k this deck
64
The 2019 and 2020 market share data of the three competitors (A, B, and C)in an oligopolistic industry are presented in the following pie charts:
Which of the following is true?
A)Only company B gained market share.
B)Only company C lost market share.
C)Company A lost market share.
D)Company B lost market share.
E)All companies lost market share.

A)Only company B gained market share.
B)Only company C lost market share.
C)Company A lost market share.
D)Company B lost market share.
E)All companies lost market share.
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65
The staff of Ms.Tamara Hill, VP of Technical Analysis at Blue Sky Brokerage, prepared a frequency histogram of market capitalization of the 937 corporations listed on the American Stock Exchange in January 2003.
Approximately ___ corporations had capitalizations of $200,000,000 or less.
A)50
B)100
C)700
D)800
E)900

A)50
B)100
C)700
D)800
E)900
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k this deck
66
According to the following graphic the most common cause of PCB Failures is a ___. 
A)cracked trace
B)bent pin
C)missing part
D)solder bridge
E)wrong part

A)cracked trace
B)bent pin
C)missing part
D)solder bridge
E)wrong part
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67
The staff of Mr.Wayne Wertz, VP of Operations at Portland Peoples Bank, prepared a frequency histogram of waiting time for walk-in customers.
Approximately ___ walk-in customers waited less than 2 minutes.
A)20
B)30
C)100
D)180
E)200

A)20
B)30
C)100
D)180
E)200
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k this deck
68
Suppose a market survey of 200 consumers was conducted to determine the likelihood of each consumer purchasing a new computer next year.Data were collected based on the age of the consumer and are shown below:
Using the table above, which of the following statements is true about the surveyed consumers?
A)More of the surveyed consumers likely to purchase a computer next year are younger.
B)More of the surveyed consumers likely to purchase a computer next year are older.
C)The surveyed consumers likely to purchase a computer are evenly distributed among the age brackets.
D)The largest group of surveyed consumers likely to purchase a new computer next year are between 25 and 34 years old.
E)None of the above statements are true.

A)More of the surveyed consumers likely to purchase a computer next year are younger.
B)More of the surveyed consumers likely to purchase a computer next year are older.
C)The surveyed consumers likely to purchase a computer are evenly distributed among the age brackets.
D)The largest group of surveyed consumers likely to purchase a new computer next year are between 25 and 34 years old.
E)None of the above statements are true.
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k this deck
69
Each day, the office staff at Oasis Quick Shop prepares a frequency distribution and a histogram of sales transactions by dollar value of the transactions.Friday's histogram follows:
On Friday, the approximate number of sales transactions between $100 and $150 was ___.
A)100
B)200
C)300
D)400
E)500

A)100
B)200
C)300
D)400
E)500
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70
An instructor has decided to graphically represent the grades on a test.The instructor uses a plus/minus grading system (i.e.she gives grades of A-, B+, etc.).Which of the following would provide the most information for the students?
A)A histogram
B)A bar chart
C)A cumulative frequency distribution
D)A frequency distribution
E)A scatter plot
A)A histogram
B)A bar chart
C)A cumulative frequency distribution
D)A frequency distribution
E)A scatter plot
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71
The following graphic of PCB Failures is a ___. 
A)scatter Plot
B)Pareto Chart
C)pie chart
D)cumulative histogram chart
E)line diagram

A)scatter Plot
B)Pareto Chart
C)pie chart
D)cumulative histogram chart
E)line diagram
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72
The following graphic of residential housing data (selling price and size in square feet)is a ___. 
A)scatter plot
B)Pareto chart
C)pie chart
D)cumulative histogram
E)cumulative frequency distribution

A)scatter plot
B)Pareto chart
C)pie chart
D)cumulative histogram
E)cumulative frequency distribution
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k this deck
73
The staff of Mr.Wayne Wertz, VP of Operations at Portland Peoples Bank, prepared a cumulative frequency ogive of waiting time for walk-in customers.
The percentage of walk-in customers waiting between 1 and 6 minutes was ___.
A)22%
B)11%
C)37%
D)10%
E)67%

A)22%
B)11%
C)37%
D)10%
E)67%
فتح الحزمة
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k this deck
74
The staff of Mr.Wayne Wertz, VP of Operations at Portland Peoples Bank, prepared a cumulative frequency ogive of waiting time for walk-in customers.
The total number of walk-in customers included in the study was ___.
A)100
B)250
C)300
D)450
E)500

A)100
B)250
C)300
D)450
E)500
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k this deck
75
According to the following graphic, "Bent Pins" account for ___% of PCB Failures. 
A)10
B)20
C)30
D)40
E)50

A)10
B)20
C)30
D)40
E)50
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76
The 2019 and 2020 market share data of the three competitors (A, B, and C)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 2019 and $1.8 billion in 2020.Company C's sales in 2020 were ___. 
A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million

A)$342 million
B)$630 million
C)$675 million
D)$828 million
E)$928 million
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77
The staff of Mr.Wayne Wertz, VP of Operations at Portland Peoples Bank, prepared a cumulative frequency ogive of waiting time for walk-in customers.
The percentage of walk-in customers waiting one minute or less was ___.
A)22%
B)11%
C)67%
D)10%
E)5%

A)22%
B)11%
C)67%
D)10%
E)5%
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78
The staff of Mr.Wayne Wertz, VP of Operations at Portland Peoples Bank, prepared a frequency histogram of waiting time for walk-in customers.
Approximately ___ walk-in customers waited at least 7 minutes.
A)20
B)30
C)100
D)180
E)200

A)20
B)30
C)100
D)180
E)200
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k this deck
79
The following graphic of residential housing data (selling price and size in square feet)indicates ___. 
A)an inverse relation between the two variables
B)no relation between the two variables
C)a direct relation between the two variables
D)a negative exponential relation between the two variables
E)a sinusoidal relationship between the two variables

A)an inverse relation between the two variables
B)no relation between the two variables
C)a direct relation between the two variables
D)a negative exponential relation between the two variables
E)a sinusoidal relationship between the two variables
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80
Each day, the office staff at Oasis Quick Shop prepares a frequency distribution and a histogram of sales transactions by dollar value of the transactions.Friday's histogram follows:
On Friday, the approximate number of sales transactions in the 125-under 150 category was ___.
A)50
B)100
C)150
D)200
E)85

A)50
B)100
C)150
D)200
E)85
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