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

Recently an advertising company called 200 people and asked them to identify the company that was in an ad running nationwide. They obtained the following results. Construct a table of column percentages.

(Short Answer)

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Question 41

The cumulative frequency for a class will always be at least as large as the cumulative frequency for any class with a smaller upper boundary.

(True/False)

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Question 42

A(n) ________ is a graph of a cumulative distribution.

(Multiple Choice)

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Question 43

and are used to describe qualitative (categorical) data.

(Multiple Choice)

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Question 44

Key performance indicators are best represented by a data discovery method.

(True/False)

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Question 45

A ________ shows the relationship between two variables.

(Multiple Choice)

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Question 46

Each stem of a stem-and-leaf display should be a single digit.

(True/False)

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Question 47

Using the following data, what would be the range of the values of the stem in a stem-and-leaf display?

(Multiple Choice)

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Question 48

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 row percentages.

(Short Answer)

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Question 49

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 How many classes should be used in the construction of a histogram?

(Multiple Choice)

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Question 50

A stem-and-leaf display is a graphical portrayal of a data set that shows the data set's overall pattern of variation.

(True/False)

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Question 51

Using the following data, describe the shape of the data distribution.

(Multiple Choice)

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Question 52

Pareto charts are frequently used to identify ________.

(Multiple Choice)

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Question 53

An analytic dashboard presents both current and historical trends of a business's key performance indicators.

(True/False)

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Question 54

If there are 120 values in a data set, how many classes should be created for a frequency histogram?

(Multiple Choice)

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Question 55

Consider the following data on distances traveled by people to visit the local amusement park and calculate the relative frequency for the distances over 24 miles.

(Multiple Choice)

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Question 56

Row or column percentages can be found in

(Multiple Choice)

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Question 57

Beginning the vertical scale of a graph at a value different from zero can cause increases to look more dramatic.

(True/False)

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Question 58

Treemaps are used to compare multiple stem-and-leaf diagrams.

(True/False)

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Question 59

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 stem-and-leaf plot.

(Short Answer)

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Question 60

Showing 41 - 60 of 120

Recently an advertising company called 200 people and asked them to identify the company that was in an ad running nationwide. They obtained the following results. Construct a table of column percentages.

The cumulative frequency for a class will always be at least as large as the cumulative frequency for any class with a smaller upper boundary.

A(n) ________ is a graph of a cumulative distribution.

and are used to describe qualitative (categorical) data.

Key performance indicators are best represented by a data discovery method.

A ________ shows the relationship between two variables.

Each stem of a stem-and-leaf display should be a single digit.

Using the following data, what would be the range of the values of the stem in a stem-and-leaf display?

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 row percentages.

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 How many classes should be used in the construction of a histogram?

A stem-and-leaf display is a graphical portrayal of a data set that shows the data set's overall pattern of variation.

Using the following data, describe the shape of the data distribution.

Pareto charts are frequently used to identify ________.

An analytic dashboard presents both current and historical trends of a business's key performance indicators.

If there are 120 values in a data set, how many classes should be created for a frequency histogram?

Consider the following data on distances traveled by people to visit the local amusement park and calculate the relative frequency for the distances over 24 miles.

Row or column percentages can be found in

Beginning the vertical scale of a graph at a value different from zero can cause increases to look more dramatic.

Treemaps are used to compare multiple stem-and-leaf diagrams.

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 stem-and-leaf plot.

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

Recently an advertising company called 200 people and asked them to identify the company that was in an ad running nationwide. They obtained the following results. Construct a table of column percentages.

The cumulative frequency for a class will always be at least as large as the cumulative frequency for any class with a smaller upper boundary.

A(n) ________ is a graph of a cumulative distribution.

________ and ________ are used to describe qualitative (categorical) data.

Key performance indicators are best represented by a data discovery method.

A ________ shows the relationship between two variables.

Each stem of a stem-and-leaf display should be a single digit.

Using the following data, what would be the range of the values of the stem in a stem-and-leaf display?

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 row percentages.

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 How many classes should be used in the construction of a histogram?

A stem-and-leaf display is a graphical portrayal of a data set that shows the data set's overall pattern of variation.

Using the following data, describe the shape of the data distribution.

Pareto charts are frequently used to identify ________.

An analytic dashboard presents both current and historical trends of a business's key performance indicators.

If there are 120 values in a data set, how many classes should be created for a frequency histogram?

Consider the following data on distances traveled by people to visit the local amusement park and calculate the relative frequency for the distances over 24 miles.

Row or column percentages can be found in

Beginning the vertical scale of a graph at a value different from zero can cause increases to look more dramatic.

Treemaps are used to compare multiple stem-and-leaf diagrams.

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 stem-and-leaf plot.

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

and are used to describe qualitative (categorical) data.