Question 1

The table below shows the number of qualified job applications received by Mt.Tabor Industries after advertising a job opening on Jobs.com.Compute the z-score job E. 
A)1.68
B)-2.06
C)-1.24
D).94
E)-1.83

Accepted Answer

The answer of The table below shows the number of...

Question 2

In a test of RiteAid.com's new website, search times for 20 trial orders were recorded, in minutes.Results are reported in the table:  Construct a STRETCHED (and ordered) stem-and-leaf diagram for the data.One of the rows in the table would look like:
A)2 l 2 3 4 4
B)3 l 5 6
C)1 l 9 8
D)1 l 2 3 6
E)1 l 1 3 7

Accepted Answer

The answer of In a test of RiteAid.com's new website,...

Question 3

The table below shows the number of customer complaints received by the customer service hotline at Kendall Products during the past 6 days.Chebyshev's Rule would predict that at least what percentage of the values in this data set will fall within plus or minus four standard deviations of the mean. 
A)88.66
B)56.20
C)99.70
D)68.32
E)93.75

Accepted Answer

The answer of The table below shows the number of...

Question 4

Below is the list of dividends on Bonneville Electric stock over the past 7 years: $.46, .61, .55, .76, .94, .68, .88
List the five values that would be necessary if you were to construct a box-and-whisker plot for the dividend data.
A)minimum = .46, Q1= .55, Q2 = .68, Q3 = .88, maximum = .94
B)minimum = .46, Q1= .51, Q2 =.64, Q3 = .82, maximum = .94
C)minimum = .46, Q1= .58, Q2 = .65, Q3 = .82, maximum = .94
D)minimum = .46, Q1= .49, Q2 = .66, Q3 = .88, maximum = .94
E)minimum = .46, Q1= .66, Q2 = .77, Q3 = .88, maximum = .94

Accepted Answer

First, arrange the dividends in ascending order: .46, .55, .61, .68, .76, .88, .94. The minimum is .46, and the maximum is .94. The median (Q2) is .68 (the middle value). Q1 is the median of the lower half (.55), and Q3 is the median of the upper half (.88).

Question 5

The table shows life expectancy in years of the G8 countries (Datablog, Guardian.co.uk, July 8 2009).According to the "1.5 x interquartile range" approach to identifying outliers, determine the outlier(s), if any, here. 
A)66
B)81
C)66 and 81
D)73 and 81
E)There are no outliers.

Accepted Answer

The answer of The table shows life expectancy in years...

Question 6

The table below shows the number of qualified job applications received by Mt.Tabor Industries after advertising a job opening on Jobs.com.Identify any outliers in the data set by using the "1.5 times the interquartile range" approach. 
A)I
B)D, F and I
C)A
D)A and I
E)There are no outliers

Accepted Answer

The answer of The table below shows the number of...

Question 7

Peak efficiency levels (in %) for the wind turbines at Miner's Point are shown for a sample of 10 days in April.According to the ""three-standard-deviation" approach to identifying outliers, determine the outlier(s), if any, here. 
A)69 and 80.5
B)69
C)74.9 and 80.5
D)80.5
E)There are no outliers

Accepted Answer

The answer of Peak efficiency levels (in %) for the...

Question 8

The table here shows the total billable hours for 18 audit teams at Winston-Salem Accounting Associates.Use 8, 9, 10, 11, 12, and 13 as your stems and a "leaf unit" of 10,000 to produce a stem-and-leaf diagram for the data.  One row in your diagram would be:
A)10 l 7 8 2 3 6
B)11 l 2 2 6 6 1 6
C)12 l 8 4 5
D)10 l 7 7 2 4 6
E)10 l 7 7 2 5 6

Accepted Answer

The answer of The table here shows the total billable...

Question 9

Below is a list of your 9-hole golf scores for 9 of your most recent golf outings: 70, 47, 53, 54, 41, 71, 78, 103, 100
List the five values that would be necessary if you were to construct a box-and-whisker plot for the golf score data.
A)minimum = 41, Q1= 48, Q2 = 62, Q3 = 72, maximum = 103
B)minimum = 41, Q1= 56, Q2 = 63, Q3 = 75.5, maximum = 103
C)minimum = 41, Q1= 50, Q2 = 62, Q3 = 74.5, maximum = 103
D)minimum = 41, Q1= 53, Q2 = 61, Q3 = 77, maximum = 103
E)minimum = 41, Q1= 54, Q2 = 61, Q3 = 78, maximum = 103

Accepted Answer

The correct five-number summary for the data set is: minimum = 41, Q1 = 50, Q2 (median) = 62, Q3 = 74.5, maximum = 103.

Question 10

In its report, the Human Resources Department at Hinkle Transport summarized the sick day taken by the company's 125 employees during the past year.125 of the people in the survey responded "Yes." The summary is provided in the table below.  If you were to draw an appropriate box-and-whisker plot, which one of the following statements regarding that plot would be accurate?
A)The right side of the box should be set at 20.
B)The right side of the box should be set at 125.
C)The median line will be drawn closer to the right side of the box than to the left side.
D)The left whisker should extend to a value of 30.
E)The right whisker should extend to a value of 2.

Accepted Answer

The answer of In its report, the Human Resources Department...

Question 11

You have just concluded a 60-day study of efficiency levels at the Peekskill Wind Farm.Results, in % efficiency, are summarized below.  If you were to draw a box-and-whisker plot to display survey results, which one of these statements about the proper plot would be true?
A)The width of the box would be 22.
B)The vertical line drawn inside the box would correspond to the mean value of 38.3.
C)The right whisker would extend out to 52.
D)The left whisker would extend down to 15.
E)The left whisker would extend down to 28.

Accepted Answer

The answer of You have just concluded a 60-day study...

Question 12

The table below shows the number of customer complaints received by the customer service hotline at Kendall Products during the past 6 days.Chebyshev's Rule would predict that at least what percentage of the values in this data set will fall within plus or minus two standard deviations of the mean. 
A)50
B)62.8
C)70
D)75
E)95.5

Accepted Answer

The answer of The table below shows the number of...

Question 13

The table below shows the number of qualified job applications received by Mt.Tabor Industries after advertising a job opening on Jobs.com.Identify any outliers in the data set by using the "3 standard deviations" approach. 
A)I
B)D, F and I
C)A
D)A and I
E)There are no outliers

Accepted Answer

The answer of The table below shows the number of...

Question 14

Below is the depth, in meters, for wells recently sunk by Lewiston Oil in western Oklahoma: 84, 81, 95, 146, 161, 158
List the five values that would be necessary if you were to construct a box-and-whisker plot for the data.
A)minimum = 81, Q1= 81, Q2 = 119, Q3 = 154, maximum = 161
B)minimum = 81, Q1= 86, Q2 = 122, Q3 = 155, maximum = 161
C)minimum = 81, Q1= 84, Q2 = 120.5, Q3 = 158, maximum = 161
D)minimum = 81, Q1= 87, Q2 = 125, Q3 = 152, maximum = 161
E)minimum = 81, Q1= 85, Q2 = 146, Q3 = 158, maximum = 161

Accepted Answer

The five-number summary for a box-and-whisker plot includes the minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum. For the given data, these values are: minimum = 81, Q1 = 84, median (Q2) = 120.5, Q3 = 158, and maximum = 161.

Question 15

Below is a summary of the number of patients served each day by the Kaiser Medical Clinic over the past 30 days. Min: 22 Q1: 46 Median: 72 Q3: 119 Max: 200
If you were to draw an appropriate box-and-whisker plot, which one of the following statements about your plot is accurate?
A)The right whisker on the box should extend to a value of 119.
B)The width of the box should be equal to 73.
C)The left side of the box should be at a value of 72.
D)The median line should be placed halfway between 46 and 119.
E)The median line should be placed closer to 119 than 46.

Accepted Answer

The answer of Below is a summary of the number...

Question 16

Peak efficiency levels (in %) for the wind turbines at Miner's Point are shown for a sample of 10 days in April.According to the "1.5 x interquartile range" approach to identifying outliers, determine the outlier(s), if any, here. 
A)69 and 80.5
B)69
C)74.9 and 80.5
D)80.5
E)There are no outliers

Accepted Answer

The answer of Peak efficiency levels (in %) for the...

Question 17

The data below show the GDP per capita in dollars of the 28 member countries of the European Union.  Create a stem-and-leaf diagram to display the data using two leading digits to form the stem.Use a "leaf unit" of 100 so that you can construct the diagram using only one-digit leaves.Retain the original order, reading first down the column, when entering the leaf values.In your diagram, the row in which "2" and "7" are the 2 leading digits should look like:
A)27 l 0 8 6
B)27 l 0 1 0
C)27 l 1 2 0
D)27 l 0 2 2
E)27 l 0 2 4

Accepted Answer

The answer of The data below show the GDP per...

Question 18

Draw a box-and-whisker plot using the following 5-number summary: Min: 66 Q1: 68 Median: 73 Q3: 78 Max: 80
Which one of the following describes the proper diagram here?
A)The right side of the box should be set at 80.
B)The vertical line representing the median should be drawn closer to the right side of the box than the left side.
C)The left side of the box should be set at 68.
D)The lower end of the left whisker should be at 68.
E)The upper end of the right whisker should be at 78.

Accepted Answer

The left side of the box in a box-and-whisker plot is set at Q1, which is 68 in this case.

Question 19

The data below show the GDP per capita in dollars of the 28 member countries of the European Union.According to the "1.5 x interquartile range" approach to identifying outliers, determine the outlier(s), if any, here. 
A)12,808
B)12,808 and 14,312
C)79,785
D)12,808 and 79,785
E)12,808, 14,312, and 79,785

Accepted Answer

The answer of The data below show the GDP per...

Question 20

Here is a 5-number summary of per-capita income in the 28 member nations of the European Union.Data are in international dollars. Min: $12,808 Q1: $18,947 Median: $27,693 Q3: $37,770 Max: $79,785
Which of the following statements describes the appropriate box-and-whisker plot for this data?
A)If fences were set in the standard manner, one value would lie outside of the fence and would be considered an outlier.
B)If fences were set in the standard manner, two values would lie outside of the fences and would be considered outliers.
C)The left side of the box should be set at $12,808.
D)The vertical line representing the median should be drawn closer to the right side of the box than to the left side.
E)The right side of the box should be set at $79,785.

Accepted Answer

The answer of Here is a 5-number summary of per-capita...

Quiz 3: Descriptive Statistics II: Additional Descriptive Measures and Data Displays

The table below shows the number of qualified job applications received by Mt.Tabor Industries after advertising a job opening on Jobs.com.Compute the z-score job E.

In a test of RiteAid.com's new website, search times for 20 trial orders were recorded, in minutes.Results are reported in the table: Construct a STRETCHED (and ordered) stem-and-leaf diagram for the data.One of the rows in the table would look like:

The table below shows the number of customer complaints received by the customer service hotline at Kendall Products during the past 6 days.Chebyshev's Rule would predict that at least what percentage of the values in this data set will fall within plus or minus four standard deviations of the mean.

Below is the list of dividends on Bonneville Electric stock over the past 7 years: $.46, .61, .55, .76, .94, .68, .88 List the five values that would be necessary if you were to construct a box-and-whisker plot for the dividend data.

The table shows life expectancy in years of the G8 countries (Datablog, Guardian.co.uk, July 8 2009) .According to the "1.5 x interquartile range" approach to identifying outliers, determine the outlier(s) , if any, here.

The table below shows the number of qualified job applications received by Mt.Tabor Industries after advertising a job opening on Jobs.com.Identify any outliers in the data set by using the "1.5 times the interquartile range" approach.

Peak efficiency levels (in %) for the wind turbines at Miner's Point are shown for a sample of 10 days in April.According to the ""three-standard-deviation" approach to identifying outliers, determine the outlier(s) , if any, here.

The table here shows the total billable hours for 18 audit teams at Winston-Salem Accounting Associates.Use 8, 9, 10, 11, 12, and 13 as your stems and a "leaf unit" of 10,000 to produce a stem-and-leaf diagram for the data. One row in your diagram would be:

Below is a list of your 9-hole golf scores for 9 of your most recent golf outings: 70, 47, 53, 54, 41, 71, 78, 103, 100 List the five values that would be necessary if you were to construct a box-and-whisker plot for the golf score data.

You have just concluded a 60-day study of efficiency levels at the Peekskill Wind Farm.Results, in % efficiency, are summarized below. If you were to draw a box-and-whisker plot to display survey results, which one of these statements about the proper plot would be true?

The table below shows the number of customer complaints received by the customer service hotline at Kendall Products during the past 6 days.Chebyshev's Rule would predict that at least what percentage of the values in this data set will fall within plus or minus two standard deviations of the mean.

The table below shows the number of qualified job applications received by Mt.Tabor Industries after advertising a job opening on Jobs.com.Identify any outliers in the data set by using the "3 standard deviations" approach.

Below is the depth, in meters, for wells recently sunk by Lewiston Oil in western Oklahoma: 84, 81, 95, 146, 161, 158 List the five values that would be necessary if you were to construct a box-and-whisker plot for the data.

Below is a summary of the number of patients served each day by the Kaiser Medical Clinic over the past 30 days. Min: 22 Q1: 46 Median: 72 Q3: 119 Max: 200 If you were to draw an appropriate box-and-whisker plot, which one of the following statements about your plot is accurate?

Peak efficiency levels (in %) for the wind turbines at Miner's Point are shown for a sample of 10 days in April.According to the "1.5 x interquartile range" approach to identifying outliers, determine the outlier(s) , if any, here.

Draw a box-and-whisker plot using the following 5-number summary: Min: 66 Q1: 68 Median: 73 Q3: 78 Max: 80 Which one of the following describes the proper diagram here?

The data below show the GDP per capita in dollars of the 28 member countries of the European Union.According to the "1.5 x interquartile range" approach to identifying outliers, determine the outlier(s) , if any, here.

Here is a 5-number summary of per-capita income in the 28 member nations of the European Union.Data are in international dollars. Min: $12,808 Q1: $18,947 Median: $27,693 Q3: $37,770 Max: $79,785 Which of the following statements describes the appropriate box-and-whisker plot for this data?