Question 1

A stem-and-leaf display is best used to ________.

Accepted Answer

A)  provide a point estimate of the variability of the data set 
B)  provide a point estimate of the central tendency of the data set 
C)  display the shape of the distribution 
D)  display a two-variable treemap 
A)  provide a point estimate of the variability of the data set 
B)  provide a point estimate of the central tendency of the data set 
C)  display the shape of the distribution 
D)  display a two-variable treemap

Question 2

Sparklines always need to be displayed with either their axes or coordinates.

Accepted Answer

A) True 
 B)False

Question 3

A local electronics retailer recently conducted a study on purchasers of large screen televisions. The study recorded the type of television and the credit account balance of the customer at the time of purchase. They obtained the following results.
   Construct a table of column percentages.

Accepted Answer

@#IMG-DLM& Column percentages calculated by dividi

Question 4

A histogram that has a longer tail extending toward smaller values is ________.

Accepted Answer

A)  skewed to the left 
B)  normal 
C)  a scatter plot 
D)  skewed to the right 
A)  skewed to the left 
B)  normal 
C)  a scatter plot 
D)  skewed to the right

Question 5

A(n) ________ is a graphical presentation of the current status and historical trends of a business's key performance indicators.

Accepted Answer

A)  frequency distribution 
B)  histogram 
C)  Pareto chart 
D)  dashboard 
A)  frequency distribution 
B)  histogram 
C)  Pareto chart 
D)  dashboard

Question 6

An unusually large or small observation separated from the rest of the data is a(n) ________.

Accepted Answer

A)  absolute extreme 
B)  outlier 
C)  mode 
D)  quartile 
A)  absolute extreme 
B)  outlier 
C)  mode 
D)  quartile

Question 7

The number of weekly sales calls by a sample of 25 pharmaceutical salespersons is below.
24, 56, 43, 35, 37, 27, 29, 44, 34, 28, 33, 28, 46, 31, 38, 41, 48, 38, 27, 29, 37, 33, 31, 40, 50
Construct a frequency polygon.

Accepted Answer

@#IMG-DLM& The frequency polygon is the line conne

Question 8

When establishing the classes for a frequency distribution, it is generally agreed that the more classes you use the better your frequency distribution will be.

Accepted Answer

A) True 
 B)False

Question 9

A company collected the ages from a random sample of its middle managers, with the resulting frequency distribution shown below.   What is the midpoint of the third class interval?

Accepted Answer

A)  22.5 
B)  27.5 
C)  32.5 
D)  37.5 
E)  42.5 
A)  22.5 
B)  27.5 
C)  32.5 
D)  37.5 
E)  42.5

Question 10

A CFO is looking at what percentage of a company's resources are spent on computing. He samples companies in the pharmaceutical industry and develops the following stem-and-leaf display (leaf unit = 0.1).   If you were creating a frequency histogram using these data, how many classes would you create?

Accepted Answer

A)  4 
B)  5 
C)  6 
D)  7 
E)  8 
A)  4 
B)  5 
C)  6 
D)  7 
E)  8

Question 11

A runs plot is a form of scatter plot.

Accepted Answer

A) True 
 B)False

Question 12

A treemap displays information as a series of clustered rectangles.

Accepted Answer

A) True 
 B)False

Question 13

A bullet graph features a single measure and displays it as either a horizontal or vertical bar.

Accepted Answer

A) True 
 B)False

Question 14

Sparklines are line charts and are often embedded with the text where they are being discussed.

Accepted Answer

A) True 
 B)False

Question 15

A CFO is looking at what percentage of a company's resources are spent on computing. He samples companies in the pharmaceutical industry and develops the following stem-and-leaf display (leaf unit = 0.1).   What would be the first class interval for the frequency histogram?

Accepted Answer

A)  5.2 < 6.6 
B)  5.2 < 6.0 
C)  5.0 < 6.0 
D)  5.0 < 6.4 
E)  5.2 < 6.4 
A)  5.2 < 6.6 
B)  5.2 < 6.0 
C)  5.0 < 6.0 
D)  5.0 < 6.4 
E)  5.2 < 6.4

Question 16

Recently an advertising company called 200 people and asked them to identify the company that was in an ad running nationwide. The following results were obtained.   What percentage of those surveyed could not correctly recall the company?

Accepted Answer

A)  58.00 
B)  56.89 
C)  55.00 
D)  43.10 
E)  42.00 
A)  58.00 
B)  56.89 
C)  55.00 
D)  43.10 
E)  42.00

Question 17

It is possible to create different interpretations of the same graphical display by simply using different captions.

Accepted Answer

A) True 
 B)False

Question 18

The number of weekly sales calls by a sample of 25 pharmaceutical salespersons is below.
24, 56, 43, 35, 37, 27, 29, 44, 34, 28, 33, 28, 46, 31, 38, 41, 48, 38, 27, 29, 37, 33, 31, 40, 50
Construct an ogive of the weekly sales calls.

Accepted Answer

@#IMG-DLM& Create a frequency table with

Question 19

A CFO is looking at what percentage of a company's resources are spent on computing. He samples companies in the pharmaceutical industry and develops the following stem-and-leaf display (leaf unit = 0.1).   What would be the class length used in creating a frequency histogram?

Accepted Answer

A)  1.4 
B)  8.3 
C)  1.2 
D)  1.7 
E)  0.9 
A)  1.4 
B)  8.3 
C)  1.2 
D)  1.7 
E)  0.9

Question 20

The following is a relative frequency distribution of grades in an introductory statistics course.
   Construct a percent bar chart for this data.

Accepted Answer

@#IMG-DLM& Each grade category

A stem-and-leaf display is best used to ________.

Sparklines always need to be displayed with either their axes or coordinates.

A local electronics retailer recently conducted a study on purchasers of large screen televisions. The study recorded the type of television and the credit account balance of the customer at the time of purchase. They obtained the following results. Construct a table of column percentages.

A histogram that has a longer tail extending toward smaller values is ________.

A(n) ________ is a graphical presentation of the current status and historical trends of a business's key performance indicators.

An unusually large or small observation separated from the rest of the data is a(n) ________.

The number of weekly sales calls by a sample of 25 pharmaceutical salespersons is below. 24, 56, 43, 35, 37, 27, 29, 44, 34, 28, 33, 28, 46, 31, 38, 41, 48, 38, 27, 29, 37, 33, 31, 40, 50 Construct a frequency polygon.

When establishing the classes for a frequency distribution, it is generally agreed that the more classes you use the better your frequency distribution will be.

A company collected the ages from a random sample of its middle managers, with the resulting frequency distribution shown below. What is the midpoint of the third class interval?

A CFO is looking at what percentage of a company's resources are spent on computing. He samples companies in the pharmaceutical industry and develops the following stem-and-leaf display (leaf unit = 0.1). If you were creating a frequency histogram using these data, how many classes would you create?

A runs plot is a form of scatter plot.

A treemap displays information as a series of clustered rectangles.

A bullet graph features a single measure and displays it as either a horizontal or vertical bar.

Sparklines are line charts and are often embedded with the text where they are being discussed.

A CFO is looking at what percentage of a company's resources are spent on computing. He samples companies in the pharmaceutical industry and develops the following stem-and-leaf display (leaf unit = 0.1). What would be the first class interval for the frequency histogram?

Recently an advertising company called 200 people and asked them to identify the company that was in an ad running nationwide. The following results were obtained. What percentage of those surveyed could not correctly recall the company?

It is possible to create different interpretations of the same graphical display by simply using different captions.

The number of weekly sales calls by a sample of 25 pharmaceutical salespersons is below. 24, 56, 43, 35, 37, 27, 29, 44, 34, 28, 33, 28, 46, 31, 38, 41, 48, 38, 27, 29, 37, 33, 31, 40, 50 Construct an ogive of the weekly sales calls.

A CFO is looking at what percentage of a company's resources are spent on computing. He samples companies in the pharmaceutical industry and develops the following stem-and-leaf display (leaf unit = 0.1). What would be the class length used in creating a frequency histogram?

The following is a relative frequency distribution of grades in an introductory statistics course. Construct a percent bar chart for this data.

An Introduction to Business Statistics and Analytics

Descriptive Statistics and Analytics: Numerical Methods

Probability and Probability Models

Predictive Analytics I: Trees, K-Nearest Neighbors, Naive Bayes,

Discrete Random Variables

Continuous Random Variables

Sampling Distributions

Confidence Intervals

Hypothesis Testing

Statistical Inferences Based on Two Samples

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Predictive Analytics Ii: Logistic Regression, Discriminate Analysis,

Time Series Forecasting and Index Numbers

Nonparametric Methods

Decision Theory

Filters

Exam 2: Descriptive Statistics and Analytics: Tabular and Graphical Methods

A stem-and-leaf display is best used to ________.

Sparklines always need to be displayed with either their axes or coordinates.

A local electronics retailer recently conducted a study on purchasers of large screen televisions. The study recorded the type of television and the credit account balance of the customer at the time of purchase. They obtained the following results. Construct a table of column percentages.

A histogram that has a longer tail extending toward smaller values is ________.

A(n) ________ is a graphical presentation of the current status and historical trends of a business's key performance indicators.

An unusually large or small observation separated from the rest of the data is a(n) ________.

The number of weekly sales calls by a sample of 25 pharmaceutical salespersons is below. 24, 56, 43, 35, 37, 27, 29, 44, 34, 28, 33, 28, 46, 31, 38, 41, 48, 38, 27, 29, 37, 33, 31, 40, 50 Construct a frequency polygon.

When establishing the classes for a frequency distribution, it is generally agreed that the more classes you use the better your frequency distribution will be.

A company collected the ages from a random sample of its middle managers, with the resulting frequency distribution shown below. What is the midpoint of the third class interval?

A runs plot is a form of scatter plot.

A treemap displays information as a series of clustered rectangles.

A bullet graph features a single measure and displays it as either a horizontal or vertical bar.

Sparklines are line charts and are often embedded with the text where they are being discussed.

A CFO is looking at what percentage of a company's resources are spent on computing. He samples companies in the pharmaceutical industry and develops the following stem-and-leaf display (leaf unit = 0.1). What would be the first class interval for the frequency histogram?

Recently an advertising company called 200 people and asked them to identify the company that was in an ad running nationwide. The following results were obtained. What percentage of those surveyed could not correctly recall the company?

It is possible to create different interpretations of the same graphical display by simply using different captions.

The number of weekly sales calls by a sample of 25 pharmaceutical salespersons is below. 24, 56, 43, 35, 37, 27, 29, 44, 34, 28, 33, 28, 46, 31, 38, 41, 48, 38, 27, 29, 37, 33, 31, 40, 50 Construct an ogive of the weekly sales calls.

A CFO is looking at what percentage of a company's resources are spent on computing. He samples companies in the pharmaceutical industry and develops the following stem-and-leaf display (leaf unit = 0.1). What would be the class length used in creating a frequency histogram?

The following is a relative frequency distribution of grades in an introductory statistics course. Construct a percent bar chart for this data.

An Introduction to Business Statistics and Analytics

Descriptive Statistics and Analytics: Numerical Methods

Probability and Probability Models

Predictive Analytics I: Trees, K-Nearest Neighbors, Naive Bayes,

Discrete Random Variables

Continuous Random Variables

Sampling Distributions

Confidence Intervals

Hypothesis Testing

Statistical Inferences Based on Two Samples

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Predictive Analytics Ii: Logistic Regression, Discriminate Analysis,

Time Series Forecasting and Index Numbers

Nonparametric Methods

Decision Theory

Filters