Question 1

The type of figure that uses rectangles, the height of which indicates magnitude, is called which of the following?

Accepted Answer

A)  Bar graph 
B)  Box plot 
C)  Pie chart 
D)  Rectangle plot 
A)  Bar graph 
B)  Box plot 
C)  Pie chart 
D)  Rectangle plot A

Question 2

Consider a lake survey in which the relative amounts of five different types of fish are identified. Which of the following is not an aspect of poor design in the pie chart shown?
​
  ​

Accepted Answer

A)  The segments are not arranged alphabetically. 
B)  The segments are not arranged in order of magnitude. 
C)  The green and light blue would be hard to tell apart if printed in black and white. 
D)  The yellow and red segments would be hard for most color-blind people to tell apart. 
A)  The segments are not arranged alphabetically. 
B)  The segments are not arranged in order of magnitude. 
C)  The green and light blue would be hard to tell apart if printed in black and white. 
D)  The yellow and red segments would be hard for most color-blind people to tell apart. D

Question 3

Consider an experiment in which an omnivorous species has its stomach contents analyzed. Which of the pie charts correctly depicts the following values for the diet of the omnivore: 20% grass, 40% leaves, 20% insects, 20% fish?
​
  ​

Accepted Answer

A)  Chart A 
B)  Chart B 
C)  Chart C 
D)  Chart D 
A)  Chart A 
B)  Chart B 
C)  Chart C 
D)  Chart D C

Question 4

Three-dimensional figures are often the best way to represent data

Accepted Answer

A) True 
 B)False

Question 5

Consider the histograms of a data set shown. Which of the histograms depicts a symmetric data set?
​

Accepted Answer

A)  Chart A 
B)  Chart B 
C)  Chart C 
D)  Chart D 
A)  Chart A 
B)  Chart B 
C)  Chart C 
D)  Chart D

Question 6

Which of the following is NOT true of relative frequencies for a complete data set?

Accepted Answer

A)  All the relative frequency values are less than or equal to one. 
B)  All the relative frequency values sum to one. 
C)  Each relative frequency is less than or equal to the corresponding absolute frequency. 
D)  No two relative frequency values can be the same. 
A)  All the relative frequency values are less than or equal to one. 
B)  All the relative frequency values sum to one. 
C)  Each relative frequency is less than or equal to the corresponding absolute frequency. 
D)  No two relative frequency values can be the same.

Question 7

Which of the bar charts shown corresponds to the data table shown?
?
Frequency table showing the number of oak trees in each of 5 areas in a forest.
$\begin{array}{cc}
\begin{array}{c}
\
\text { Species } \
\text { of fish }
\end{array} & \begin{array}{c}
\text { Frequency }\
\text { (number } \
\text { caught) }
\end{array} \
\text { Area A } & 20 \
\text { Area B } & 17 \
\text { Area C } & 10 \
\text { Area D } & 5 \
\text { Area E } & 1
\end{array}$ ?
  ?

Accepted Answer

A)  Chart A 
B)  Chart B 
C)  Chart C 
D)  Chart D 
A)  Chart A 
B)  Chart B 
C)  Chart C 
D)  Chart D

Question 8

Draw a graph showing hypothetical data in which two aspects of its design are misleading or bad. Briefly describe each of the two flaws you included and explain how they could be improved.

Accepted Answer

The graph I have created shows a hypothe

Question 9

Sketch out a histogram (with 5 bins of equal size as appropriate) showing the distribution of the following values: 2, 3, 3, 4, 5, 7, 8, 8, 11, 11, 12, 13, 15, 15, 17, 18, 18, 23, 24, 32, 33, 34, 35, 38, 41, 42, 43, 48

Accepted Answer

To create a histogram with 5 bins of equ

Question 10

Consider the histogram of a data set shown. Which of the following values is the mode of the data set?
​
  ​

Accepted Answer

A)  6 
B)  9 
C)  25 
D)  30 
A)  6 
B)  9 
C)  25 
D)  30

Question 11

Consider a situation in which bacterial swabs were taken from the ears and noses of 50 study subjects, and the number of swabs that showed the presence of staphylococcus were measured. The table shows the results of the measurements. Which of the grouped bar graphs shown correctly depicts this data?
?
Contingency table showing presence of tumors in rats with different drug regimes.

$\begin{array}{lll}
\text { Present? } & \text { Control } & \text { Drug } \
\hline \text { Yes } & 29 & 25 \
\text { No } & 21 & 25
\end{array}$ ?
  ?

Accepted Answer

A)  Plot A 
B)  Plot B 
C)  Plot C 
D)  Plot D 
A)  Plot A 
B)  Plot B 
C)  Plot C 
D)  Plot D

Question 12

Preparing figures typically follows data analysis.

Accepted Answer

A) True 
 B)False

Question 13

One of the graphical methods in particular was described as being particularly suited to looking at data values over time-which one?

Accepted Answer

A)  A grouped bar graph 
B)  A line graph 
C)  A map 
D)  A mosaic plot 
A)  A grouped bar graph 
B)  A line graph 
C)  A map 
D)  A mosaic plot

Question 14

Write out a procedure or recipe for how to best work with a set of values you have obtained in order to make a good set of data files. Be clear about what your end result should be in terms of files.

Accepted Answer

To work with a set of values and create

Question 15

Mosaic plots and grouped bar graphs display the same basic data, but mosaic plots only show the frequencies, not the raw values. While this may seem to be a weakness, in which way are mosaic plots potentially better than grouped bar graphs?

Accepted Answer

A)  They are more widely used and therefore better understood by readers. 
B)  They are not as prone as grouped bars graphs to rounding error, which causes inaccuracy. 
C)  They are often better at indicating associations between treatment and response variables. 
D)  They take up less space on the page. 
A)  They are more widely used and therefore better understood by readers. 
B)  They are not as prone as grouped bars graphs to rounding error, which causes inaccuracy. 
C)  They are often better at indicating associations between treatment and response variables. 
D)  They take up less space on the page.

Question 16

Consider an experiment in which female and male rats are weighed and then their food consumption is measured. Which of the following is NOT a flaw in the figure showing data from this experiment?
​
  ​

Accepted Answer

A)  The fonts used for the two axes are different and both hard to read. 
B)  The symbols have identical shapes and colors with very similar shades. 
C)  The x-axis should extend all the way to zero to show magnitude. 
D)  The y-axis has a discontinuity, a sudden jump in magnitude. 
A)  The fonts used for the two axes are different and both hard to read. 
B)  The symbols have identical shapes and colors with very similar shades. 
C)  The x-axis should extend all the way to zero to show magnitude. 
D)  The y-axis has a discontinuity, a sudden jump in magnitude.

Question 17

Multiple histograms and grouped bar graphs are typically used for the same purpose.

Accepted Answer

A) True 
 B)False

Question 18

Grouped bar graphs and mosaic plots are typically used for the same purpose.

Accepted Answer

A) True 
 B)False

Question 19

If you saw a graph with rectangles standing on a horizontal axis, what is the best immediate visual clue to determine whether it is likely to be a well-designed bar chart or a histogram?

Accepted Answer

A)  If it is in color or shades of gray. 
B)  If the bars are solid or filled with patterns. 
C)  Whether the bars touch or have gaps between them. 
D)  Whether the y-axis goes to zero or some other number. 
A)  If it is in color or shades of gray. 
B)  If the bars are solid or filled with patterns. 
C)  Whether the bars touch or have gaps between them. 
D)  Whether the y-axis goes to zero or some other number.

Question 20

Consider the histograms of a data set shown. Which of the histograms depicts an asymmetric data set?
​
  ​

Accepted Answer

A)  Chart A 
B)  Chart B 
C)  Chart C 
D)  Chart D 
A)  Chart A 
B)  Chart B 
C)  Chart C 
D)  Chart D

The type of figure that uses rectangles, the height of which indicates magnitude, is called which of the following?

Consider a lake survey in which the relative amounts of five different types of fish are identified. Which of the following is not an aspect of poor design in the pie chart shown?

Consider an experiment in which an omnivorous species has its stomach contents analyzed. Which of the pie charts correctly depicts the following values for the diet of the omnivore: 20% grass, 40% leaves, 20% insects, 20% fish?

Three-dimensional figures are often the best way to represent data

Consider the histograms of a data set shown. Which of the histograms depicts a symmetric data set?

Which of the following is NOT true of relative frequencies for a complete data set?

Draw a graph showing hypothetical data in which two aspects of its design are misleading or bad. Briefly describe each of the two flaws you included and explain how they could be improved.

Sketch out a histogram (with 5 bins of equal size as appropriate) showing the distribution of the following values: 2, 3, 3, 4, 5, 7, 8, 8, 11, 11, 12, 13, 15, 15, 17, 18, 18, 23, 24, 32, 33, 34, 35, 38, 41, 42, 43, 48

Consider the histogram of a data set shown. Which of the following values is the mode of the data set?

Preparing figures typically follows data analysis.

One of the graphical methods in particular was described as being particularly suited to looking at data values over time-which one?

Write out a procedure or recipe for how to best work with a set of values you have obtained in order to make a good set of data files. Be clear about what your end result should be in terms of files.

Mosaic plots and grouped bar graphs display the same basic data, but mosaic plots only show the frequencies, not the raw values. While this may seem to be a weakness, in which way are mosaic plots potentially better than grouped bar graphs?

Consider an experiment in which female and male rats are weighed and then their food consumption is measured. Which of the following is NOT a flaw in the figure showing data from this experiment?

Multiple histograms and grouped bar graphs are typically used for the same purpose.

Grouped bar graphs and mosaic plots are typically used for the same purpose.

If you saw a graph with rectangles standing on a horizontal axis, what is the best immediate visual clue to determine whether it is likely to be a well-designed bar chart or a histogram?

Consider the histograms of a data set shown. Which of the histograms depicts an asymmetric data set?

Statistics and Samples

Describing Data

Estimating With Uncertainty

Probability

Hypothesis Testing

Analyzing Proportions

Fitting Probability Models to Frequency Data

Contingency Analysis: Associations Between

The Normal Distribution

Inference for a Normal Population

Comparing Two Means

Handling Violations of Assumptions

Designing Experiments

Comparing Means of More Than Two Groups

Correlation Between Numerical Variables

Regression

Multiple Explanatory Variables

Computer-Intensive Methods

Likelihood

Meta-Analysis: Combining Information From

Filters

Exam 2: Displaying Data

The type of figure that uses rectangles, the height of which indicates magnitude, is called which of the following?

Consider a lake survey in which the relative amounts of five different types of fish are identified. Which of the following is not an aspect of poor design in the pie chart shown? ​ ​

Consider an experiment in which an omnivorous species has its stomach contents analyzed. Which of the pie charts correctly depicts the following values for the diet of the omnivore: 20% grass, 40% leaves, 20% insects, 20% fish? ​ ​

Three-dimensional figures are often the best way to represent data

Consider the histograms of a data set shown. Which of the histograms depicts a symmetric data set? ​

Which of the following is NOT true of relative frequencies for a complete data set?

Which of the bar charts shown corresponds to the data table shown? ? Frequency table showing the number of oak trees in each of 5 areas in a forest. Species of fish Frequency (number caught) Area A 20 Area B 17 Area C 10 Area D 5 Area E 1 ? ?

Draw a graph showing hypothetical data in which two aspects of its design are misleading or bad. Briefly describe each of the two flaws you included and explain how they could be improved.

Sketch out a histogram (with 5 bins of equal size as appropriate) showing the distribution of the following values: 2, 3, 3, 4, 5, 7, 8, 8, 11, 11, 12, 13, 15, 15, 17, 18, 18, 23, 24, 32, 33, 34, 35, 38, 41, 42, 43, 48

Consider the histogram of a data set shown. Which of the following values is the mode of the data set? ​ ​

Preparing figures typically follows data analysis.

One of the graphical methods in particular was described as being particularly suited to looking at data values over time-which one?

Write out a procedure or recipe for how to best work with a set of values you have obtained in order to make a good set of data files. Be clear about what your end result should be in terms of files.

Mosaic plots and grouped bar graphs display the same basic data, but mosaic plots only show the frequencies, not the raw values. While this may seem to be a weakness, in which way are mosaic plots potentially better than grouped bar graphs?

Consider an experiment in which female and male rats are weighed and then their food consumption is measured. Which of the following is NOT a flaw in the figure showing data from this experiment? ​ ​

Multiple histograms and grouped bar graphs are typically used for the same purpose.

Grouped bar graphs and mosaic plots are typically used for the same purpose.

If you saw a graph with rectangles standing on a horizontal axis, what is the best immediate visual clue to determine whether it is likely to be a well-designed bar chart or a histogram?

Consider the histograms of a data set shown. Which of the histograms depicts an asymmetric data set? ​ ​

Statistics and Samples

Describing Data

Estimating With Uncertainty

Probability

Hypothesis Testing

Analyzing Proportions

Fitting Probability Models to Frequency Data

Contingency Analysis: Associations Between

The Normal Distribution

Inference for a Normal Population

Comparing Two Means

Handling Violations of Assumptions

Designing Experiments

Comparing Means of More Than Two Groups

Correlation Between Numerical Variables

Regression

Multiple Explanatory Variables

Computer-Intensive Methods

Likelihood

Meta-Analysis: Combining Information From

Filters

Consider a lake survey in which the relative amounts of five different types of fish are identified. Which of the following is not an aspect of poor design in the pie chart shown?

Consider an experiment in which an omnivorous species has its stomach contents analyzed. Which of the pie charts correctly depicts the following values for the diet of the omnivore: 20% grass, 40% leaves, 20% insects, 20% fish?

Consider the histograms of a data set shown. Which of the histograms depicts a symmetric data set?

Consider the histogram of a data set shown. Which of the following values is the mode of the data set?

Consider an experiment in which female and male rats are weighed and then their food consumption is measured. Which of the following is NOT a flaw in the figure showing data from this experiment?

Consider the histograms of a data set shown. Which of the histograms depicts an asymmetric data set?