Deck 21: Business Statistics and Data Presentation

Question 1

Statistical ____________________ is the process of arriving at conclusions, predictions, forecasts, or estimates based on the data under study.

Answer 1

inference

Question 2

Business ____________________ is the systematic process of collecting, interpreting, and presenting numerical data about business situations.

Answer 2

statistics

Question 3

____________________ use lines to show data changing over a period of time.

Answer 3

Line charts

Question 4

The ____________________ is the vertical axis of a chart, usually used to measure the quantity or magnitude of something.

Question 5

Compute the arithmetic mean of the following numbers: 23, 26, 47, 43, 14 (Round your answer to one decimal place)

A) 14.0
B) 34.2
C) 30.6
D) 21.8

Question 6

The median of a set of numbers is the ____________________ value when the numbers are ranked in ascending or descending order.

Question 7

Compute the arithmetic mean of the following numbers: 86, 46, 58, 75, 44, 18, 28, 53 (Round your answer to two decimal places)

A) 51.00
B) 42.50
C) 53.87
D) 41.00

Question 8

Use this pie chart to determine the percent of households which do not own their home.

A) 43%
B) 22%
C) 57%
D) 45%

Question 9

____________________ are a collection of related data arranged for ease of reference or comparison.

Question 10

Use this component bar chart to find the day which had the highest ticket total.

A) Friday
B) Saturday
C) Sunday

Question 11

Use this comparative bar chart to find the month which had the lowest total number of outages during both years.

A) October
B) November
C) December

Question 12

Given this multiple line chart, find the total number of chairs and sofas sold during January. (All numbers plotted to nearest 10 units)

A) 390
B) 440
C) 1,130
D) 560

Question 13

What were the total sales of the Deluxe model? $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$$\text { Sales of Toaster Ovens }$
$\begin{array}{llllll}&2011&2012&2013&2014&2015\\\hline \text { Super Deluxe }& \$ 131,700 & \$ 128,300 & \$ 134,200 & \$ 119,400 & \$ 45,800 \\\text { Deluxe } & 56,100 & 123,500 & 83,100 & 115,500 & 51,400 \\\text { Standard } & 104,400 & 49,400 & 61,700 & 53,500 & 88,200 \\\hline\end{array}$

A) $557,400
B) $429,600
C) $357,200
D) $470,300

Question 14

Given this multiple line chart, find the total number of cars recalled during these years. (All numbers plotted to nearest 5 units)

A) 150
B) 85
C) 345
D) 200

Question 15

A(n) ____________________ is a special type of bar chart that is used in business to display the data from a frequency distribution.

Question 16

____________________ represent quantities or percentages by the length of horizontal or vertical bars.

Question 17

How many sales calls were made in the all the regions in November? $$\begin{array}{l}\text { Sales Calls by Region }\\\begin{array} { | l | l | l | l | } \hline & \text { Oct } & \text { Nov } & \text { Dec } \\\hline \text { West } & 298 & 299 & 165 \\\hline \text { Central } & 201 & 341 & 160 \\\hline \text { East } & 192 & 353 & 285 \\\hline\end{array}\end{array}$$

A) 993
B) 353
C) 299
D) 341

Question 18

The ____________________ is a circle divided into sections representing the component parts of a whole.

Question 19

The ____________________ is the difference between the lowest and highest values in a data set.

Question 20

____________________ are often referred to as measures of central tendency.

Question 21

Find the median of the following numbers: 92.5, 65.25, 47.75, 31.25, 39.5, 21.5, 89

A) 62.55
B) 59.35
C) 54.50
D) 47.75

Question 22

Compute the arithmetic mean of the following numbers: 181, 221, 748, 458, 439, 799, 395 (Round to two decimal places)

A) 463.00
B) 540.17
C) 648.20
D) 405.13

Question 23

Compute the arithmetic mean of the following numbers: 18, 66, 79, 92, 59, 99, 56 (Round your answer to two decimal places)

A) 53.86
B) 66.00
C) 67.00
D) 52.86

Question 24

Find the median of the following numbers: 17, 89, 89, 85, 11, 94, 55

A) 62.9
B) 85.0
C) 89.0
D) 76.3

Question 25

Find the mode(s), if any, of the following numbers: 22, 54, 22, 36, 17, 22, 17, 18

A) 22
B) 22 & 17
C) 17
D) none

Question 26

Find the mode(s), if any, of the following numbers: 602, 322, 376, 602, 376, 730, 777, 777, 602, 322, 730, 777

A) 602, 777
B) 322, 602
C) 602, 730
D) 376, 777

Question 27

Find the mode(s), if any, of the following numbers: 274, 320, 350, 789, 688, 789, 350

A) 789 & 350
B) 425
C) 350
D) 789

Question 28

Find the median of the following numbers: 12, 49, 64, 46, 67, 71

A) 49
B) 56.5
C) 64
D) 67

Question 29

Find the mode(s), if any, of the following numbers: 61, 12, 33, 96, 68, 12, 61, 12

A) 61
B) 12
C) 33
D) 68

Question 30

Find the median of the following numbers: 458, 791, 344, 370, 641, 194, 974

A) 65.4
B) 505.5
C) 538.9
D) 458.0

Question 31

Find the median of the following numbers: 68, 99, 63, 25, 98, 51

A) 67.3
B) 65.5
C) 68.0
D) 202.0

Question 32

Find the range of the following numbers: 314, 431, 773, 768, 744, 466

A) 459
B) 314 & 773
C) 590
D) 583

Question 33

Find the mode(s), if any, of the following numbers: 56, 56, 92, 16, 87, 28, 87, 16

A) 56 & 87
B) 56 & 16
C) 16 & 87
D) 16, 56, & 87

Question 34

Find the mode(s), if any, of the following numbers: 379, 650, 650, 109, 688, 469, 650

A) 109
B) 650
C) 514
D) 688

Question 35

Find the range of the following numbers: 59, 81, 25, 20, 44, 32, 91, 58

A) 20 & 91
B) 51.3
C) 51
D) 71

Question 36

Find the range of the following numbers: 204, 232, 874, 168, 244, 366

A) 670
B) 212
C) 706
D) 183

Question 37

Compute the arithmetic mean of the following numbers: 44, 66, 67, 23, 24 (Round your answer to one decimal place)

A) 44.0
B) 44.8
C) 40.0
D) 31.4

Question 38

Find the mode(s), if any, of the following numbers: 964, 588, 439, 964, 686, 299, 299, 964, 588

A) 299
B) 588
C) 964
D) 686

Question 39

Compute the arithmetic mean of the following numbers: 657.5, 471.25, 872.01, 405.54, 221.21 (Round to two decimal places)

A) 521.00
B) 361.50
C) 759.21
D) 525.50

Question 40

Compute the arithmetic mean of the following numbers: 76, 26, 48, 65, 42, 24, 69, 43 (Round your answer to two decimal places)

A) 49.13
B) 45.50
C) 43.88
D) 41.00

Question 41

Using 5 classes of width 100 starting at 200, construct a frequency distribution for the following numbers: 440, 386, 563, 403, 571, 448, 484, 496, 212, 696
Use the frequency counts for all 5 classes, starting with class 200 to 299, as your answer.

A) 2, 7, 1, 0, 0
B) 1, 1, 5, 2, 1
C) 3, 1, 0, 2, 1
D) 2, 2, 1, 0, 1

Question 42

Find the range of the following numbers: 62, 20, 34, 75, 28, 86, 33, 68

A) 48
B) 20 & 86
C) 66
D) 50.8

Question 43

Given this histogram, find the number of workers who produced 60−64 units. (All frequencies graphed to nearest 5)

A) 20
B) 25
C) 40
D) 35

Question 44

Using 6 classes of width 15 starting at 30, construct a frequency distribution for the following numbers: 64, 36, 47, 70, 82, 77, 104, 88, 101, 90, 116. What is the frequency for class 4, 75 to 89?

A) 1
B) 2
C) 3
D) 4

Question 45

Descriptive statistics is the process of arriving to predictions, forecasts, or estimates based on the data under study.

Question 46

Using 5 classes of width 150 starting at 100, construct a frequency distribution for the following numbers: 436, 786, 355, 211, 117, 821, 619, 679, 697, 644, 168, 145, 655, 176
Use the frequency counts for all 5 classes, starting with class 100 to 249, as your answer.

A) 4, 0, 1, 5, 2
B) 7, 2, 1, 6, 2
C) 5, 1, 1, 5, 2
D) 7, 3, 2, 5

Question 47

Calculate the mean of the grouped data from the given frequency distribution. (Round to nearest tenth) $$\begin{array} { | l | l | } \hline \text { Class } & \text { Frequency (f) } \\\hline 30 \text { to } 39 & 2 \\\hline 40 \text { to } 49 & 2 \\\hline 50 \text { to } 59 & 2 \\\hline 60 \text { to } 69 & 5 \\\hline\end{array}$$

A) 28.7
B) 25.9
C) 38.3
D) 53.6

Question 48

The range is used as a measure of the dispersion in a set of data.

Question 49

Find the range of the following numbers: 473, 167, 109, 164, 534, 468

A) 164
B) 364
C) 359
D) 425

Question 50

The arithmetic mean is the sum of the values of a set of data divided by the number of values in that set.

Question 51

A component bar chart is used to illustrate the relationship between two or more similar values.

Question 52

Calculate the mean of the grouped data from the given frequency distribution. (Round to nearest tenth) $$\begin{array} { | l | l | } \hline \text { Class } & \text { Frequency } ( f ) \\\hline 200 \text { to } 249 & 3 \\\hline 250 \text { to } 299 & 1 \\\hline 300 \text { to } 349 & 1 \\\hline 350 \text { to } 399 & 3 \\\hline 400 \text { to } 449 & 1 \\\hline 450 \text { to } 499 & 3 \\\hline\end{array}$$

A) 353.7
B) 286.5
C) 253.7
D) 250.0

Question 53

Using 4 classes of width 150 starting at 500, construct a frequency distribution for the following numbers: 773, 500, 751, 710, 774, 1060, 835, 887, 984, 697. What is the frequency of class 2, 650 to 799?

A) 1
B) 2
C) 4
D) 5

Question 54

The mode is the value or values in a set of data that occur most often.

Question 55

Calculate the mean of the grouped data from the given frequency distribution. (Round your answer to the nearest tenth) $$\begin{array} { | l | l | } \hline \text { Class } & \text { Frequency } ( f ) \\\hline 20 \text { to } 29 & 1 \\\hline 30 \text { to } 39 & 3 \\\hline 40 \text { to } 49 & 3 \\\hline 50 \text { to } 59 & 1 \\\hline 60 \text { to } 69 & 1 \\\hline 70 \text { to } 79 & 1 \\\hline\end{array}$$

A) 27.0
B) 45.5
C) 32.4
D) 49.5

Question 56

Given this histogram, find the class which has the smallest frequency. (All frequencies graphed to nearest 5)

A) 5−6
B) 7−8
C) 1−2
D) 9−10

Question 57

Calculate the mean of the grouped data from the given frequency distribution. (Round your answer to the nearest tenth) $$\begin{array} { | l | l | } \hline \text { Class } & \text { Frequency } ( f ) \\\hline 300 \text { to } 399 & 2 \\\hline 400 \text { to } 499 & 1 \\\hline 500 \text { to } 599 & 4 \\\hline 600 \text { to } 699 & 3 \\\hline 700 \text { to } 799 & 1 \\\hline\end{array}$$

A) 225.3
B) 549.5
C) 272.3
D) 449.5

Question 58

A type of bar chart used to display the data from a frequency distribution is called a histogram.

Question 59

The midpoint value of a set of data when numbers are ranked in ascending or descending order is called the median.

Question 60

Find the range of the following numbers: 42.5, 42.75, 73.01, 88.55, 75, 84.57, 67.38

A) 42.75
B) 47.25
C) 46.05
D) 44.75

Question 61

The table below shows students at City College of New York.

A)What percentage of female students are taking over 12 credits? (Round to the nearest tenth of a percent)
B)What percentage of students taking 6 or less credits are female? (Round to the nearest tenth of a percent)

Question 62

Find the range of the following set of values:
5.01, 4.21, 3.35, 2.47, 12.55, 28.64, 33.87, 49.91, 50.98

Question 63

Find the mode of the following set of values:
16, 35, 18, 16, 92, 43, 35, 22, 16, 75

Question 64

Determine the median of the following set of values:
16, 14, 32, 11, 26, 59, 86, 95, 39, 11, 30

Question 65

Jackie's Stuffed Animals sold Teddy Bears at the following prices:
$7.35, $10.50, $18.25, $14.32, $33.00, $22.50.
What is the range of this set of data?

Question 66

The table below shows students at Eagle Mountain College.

A)What percentage of male students are taking 6 or less credits? (Round to the nearest tenth of a percent)
B)What percentage of students taking 7−12 credits are female? (Round to the nearest tenth of a percent)

Question 67

Calculate the mean of the following set of values, rounding to the nearest tenth when necessary.
.62, .59, .4, .81, .16, .45, .96, .29

Question 68

Find the range of the following set of values:
$3.25, $6.18, $.92, $5.18, $3.26

Question 69

Find the mode of the following set of values:
$2,200, $7,500, $1,900, $3,600, $4,900

Question 70

Determine the median of the following set of values:
$1.25, $2.18, $4.56, $3.89, $1.67, $2.42, $3.25, $2.12

Question 71

Determine the median of the following set of values:
42%, 86%, 50%, 12%, 51%, 49%, 52%, 23%

Question 72

A series of data points on a grid, continuously connected by straight lines, that display a picture of selected data changing over a period of time is called a line chart.

Question 73

Find the range of the following set of values:
1,910, 2,814, 1,612, 1,100, 2,210, 1,418

Question 74

Find the mode of the following set of values:
4, 6, 3, 6, 5, 3, 1, 9, 6, 3, 7, 2, 3, 6, 8, 5, 6, 3

Question 75

Calculate the mean of the following set of values, rounding to the nearest tenth when necessary.
615, 923, 832, 336, 425, 875, 102, 773

Question 76

As sales manager for Magnum Enterprises, use Table 21-1 from the text to find:

A)which territory had the greatest total percentage of sales for February?
B)what is the percentage of sales? (Round to the nearest tenth of a percent)

Question 77

The chart obtained by dividing data into equal-size classes is called a frequency distribution, or frequency table.

Question 78

Calculate the mean of the following set of values, rounding to the nearest tenth when necessary.
12.5, 11.65, 10.24, 9.4, 8.24, 7.57, 6.35, 5.87, 4.98, 3.96, 2.63, 1.32

Question 79

You are the President of Boca Grande & Company. Your staff has prepared Table 21-1 from the text. You want to know what percentage of the total units sold in May were standard. (Round to the nearest tenth of a percent)

Question 80

The y-axis is the horizontal axis of a chart.