Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

The number of items rejected daily by a manufacturer because of defects for the last 30 days are:
20,21,8,17,22,19,18,19,14,17,11,6,21,25,4,19,9,12,16,16,10,28,24,6,21,20,25,5,17,8
Construct a stem-and-leaf plot.

Accepted Answer

The answer of The number of items rejected daily by...

Question 3

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)  None of the other choices is correct. 
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)  None of the other choices is correct.

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

If there are 62 values in a data set,how many classes should be created for a frequency histogram?

Accepted Answer

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

Question 7

If there are 130 values in a data set,how many classes should be created for a frequency histogram?

Accepted Answer

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

Question 8

Fill in the missing components of the following frequency distribution constructed for a sample size of 50.

Accepted Answer

The answer of Fill in the missing components of the...

Question 9

When looking at the shape of the distribution using a stem-and-leaf,a distribution is skewed to the right when the left tail is shorter than the right tail.

Accepted Answer

A) True 
 B)False

Question 10

A histogram that tails out toward larger 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 11

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

The answer of The number of weekly sales calls by...

Question 12

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.

Accepted Answer

The answer of A local electronics retailer recently conducted a...

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

A)  histogram 
B)  scatter plot 
C)  ogive plot 
D)  pie chart 
A)  histogram 
B)  scatter plot 
C)  ogive plot 
D)  pie chart

Question 15

The percentage of measurements in a class is called the ___________ of that class.

Accepted Answer

A)  frequency 
B)  relative frequency 
C)  leaf 
D)  cumulative percentage 
A)  frequency 
B)  relative frequency 
C)  leaf 
D)  cumulative percentage

Question 16

When grouping a large sample of measurements into classes,the ______________ is a better tool than the ___________.

Accepted Answer

A)  histogram,stem-and-leaf display 
B)  box plot,histogram 
C)  stem-and-leaf display,scatter plot 
D)  scatter plot,box plot 
A)  histogram,stem-and-leaf display 
B)  box plot,histogram 
C)  stem-and-leaf display,scatter plot 
D)  scatter plot,box plot

Question 17

Which of the following dashboard graphical methods will show variation over time?

Accepted Answer

A)  bullet graph 
B)  sparkline 
C)  treemap 
D)  gauge 
A)  bullet graph 
B)  sparkline 
C)  treemap 
D)  gauge

Question 18

If space is an issue when presenting analytic dashboard graphics,gauges should be used most frequently.

Accepted Answer

A) True 
 B)False

Question 19

Stem-and-leaf displays and dot plots are useful for detecting outliers.

Accepted Answer

A) True 
 B)False

Question 20

Treemaps are used to display qualitative measures of performance.

Accepted Answer

A) True 
 B)False

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

The number of items rejected daily by a manufacturer because of defects for the last 30 days are: 20,21,8,17,22,19,18,19,14,17,11,6,21,25,4,19,9,12,16,16,10,28,24,6,21,20,25,5,17,8 Construct a stem-and-leaf plot.

A Stem-and-leaf display is best used to ___________.

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

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

If there are 62 values in a data set,how many classes should be created for a frequency histogram?

If there are 130 values in a data set,how many classes should be created for a frequency histogram?

Fill in the missing components of the following frequency distribution constructed for a sample size of 50.

When looking at the shape of the distribution using a stem-and-leaf,a distribution is skewed to the right when the left tail is shorter than the right tail.

A histogram that tails out toward larger values is ___________.

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.

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.

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

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

The percentage of measurements in a class is called the ___________ of that class.

When grouping a large sample of measurements into classes,the ____ is a better tool than the _.

Which of the following dashboard graphical methods will show variation over time?

If space is an issue when presenting analytic dashboard graphics,gauges should be used most frequently.

Stem-and-leaf displays and dot plots are useful for detecting outliers.

Treemaps are used to display qualitative measures of performance.

An Introduction to Business Statistics

Descriptive Statistics: Numerical Methods

Probability

Discrete Random Variables

Continuous Random Variables

Sampling and Sampling Distributions

Confidence Intervals

Hypothesis Testing

Statistical Inferences for Means and Proportions

Statistical Inferences for Population Variances

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Time Series Forecasting and Index Numbers

Nonparametric Methods

Decision Theory

Filters

Exam 2: Descriptive Statistics: Tabular and Graphical Methods

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

The number of items rejected daily by a manufacturer because of defects for the last 30 days are: 20,21,8,17,22,19,18,19,14,17,11,6,21,25,4,19,9,12,16,16,10,28,24,6,21,20,25,5,17,8 Construct a stem-and-leaf plot.

A Stem-and-leaf display is best used to ___________.

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

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

If there are 62 values in a data set,how many classes should be created for a frequency histogram?

If there are 130 values in a data set,how many classes should be created for a frequency histogram?

Fill in the missing components of the following frequency distribution constructed for a sample size of 50.

When looking at the shape of the distribution using a stem-and-leaf,a distribution is skewed to the right when the left tail is shorter than the right tail.

A histogram that tails out toward larger values is ___________.

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.

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.

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

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

The percentage of measurements in a class is called the ___________ of that class.

When grouping a large sample of measurements into classes,the ______________ is a better tool than the ___________.

Which of the following dashboard graphical methods will show variation over time?

If space is an issue when presenting analytic dashboard graphics,gauges should be used most frequently.

Stem-and-leaf displays and dot plots are useful for detecting outliers.

Treemaps are used to display qualitative measures of performance.

An Introduction to Business Statistics

Descriptive Statistics: Numerical Methods

Probability

Discrete Random Variables

Continuous Random Variables

Sampling and Sampling Distributions

Confidence Intervals

Hypothesis Testing

Statistical Inferences for Means and Proportions

Statistical Inferences for Population Variances

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Time Series Forecasting and Index Numbers

Nonparametric Methods

Decision Theory

Filters

When grouping a large sample of measurements into classes,the ____ is a better tool than the _.