Deck 2: Visualizing and Describing Categorical Data

Question 1

A restaurant uses comment cards to get feedback from its customers about newly added items to the menu.It recently introduced homemade organic veggie burgers.Customers who tried the new burger were asked if they would order it again.The data are summarized in the table below.What percentage of customers would most likely or definitely order the veggie burger again?

A)10%
B)15%
C)40%
D)50%
E)77%

Answer 1

77%

Question 2

A large national retailer of electronics conducted a survey to determine consumer preferences for various brands of digital cameras and the data are summarized in the table shown below.

The percentage of consumers who are male and prefer Fujifilm is ___________ .

A)44.3 % (305/688)
B)10.6% (73/688)
C)38.4% (28/73)
D)56.2% (41/73)
E)4.1% (28/688)

Answer 2

4.1% (28/688)

Question 3

A regional survey was carried out to gauge public opinion on the controversial Arizona Immigration Law (results shown below).Of respondents who are Democrat, what percent oppose the law?

A)13%
B)35%
C)22%
D)45%
E)61%

Answer 3

61%

Question 4

The following is a bar chart summarizing consumer preferences for various brands of digital cameras.

This bar chart shows _____________________ .

A)the marginal distribution of brands
B)the conditional distribution of brands
C)the contingency distribution of brands
D)the distribution for a quantitative variable
E)none of the above.

Question 5

Here is a stacked bar chart for data collected about employee blood pressure.

This chart shows _____________________ .

A)the distribution of a quantitative variable
B)the contingency distribution of blood pressure type
C)the conditional distribution of blood pressure type
D)the marginal distribution of blood pressure type
E)the joint distribution of blood pressure type

Question 6

A regional survey was carried out to gauge public opinion on the controversial Arizona Immigration Law (results shown below).How many respondents are Republican and favor the law?

A)93
B)45
C)145
D)7
E)85

Question 7

A automobile marketing firm conducts a study to see what types of cars people owned before buying an American car.The results are shown below.

The relative frequency of those who owned Japanese cars previously who now bought American cars is _______.

A)59.9 %
B)29.6%
C)5.7%
D)14.9%
E)2.9%

Question 8

A regional survey was carried out to gauge public opinion on the controversial Arizona Immigration Law (results shown below).What percent oppose the law?

A)48%
B)45%
C)32%
D)25%
E)61%

Question 9

A company interested in the health of its employees started a health program including monitoring blood pressure.Based on age, employees were categorized according to ranges of blood pressure by age intervals.Data are shown in the table below.

The percentage of employees with normal or low blood pressure is ___________ .

A)67.9% (326/480)
B)47.9% (230/480)
C)41.7% (96/230)
D)80.0% (384/480)
E)20.0% (96/480)

Question 10

A restaurant uses comment cards to get feedback from its customers about newly added items to the menu.It recently introduced homemade organic veggie burgers.Customers who tried the new burger were asked if they would order it again.The data are summarized in the table below.What percentage of customers would definitely order the veggie burger again?

A)10%
B)15%
C)20%
D)40%
E)77%

Question 11

A company interested in the health of its employees started a health program including monitoring blood pressure.Based on age, employees were categorized according to ranges of blood pressure by age intervals.Data are shown in the table below.

Of all employees, the percentage of those under 50 years old is ___________ .

A)17.1% (82/480)
B)40.6% (195/480)
C)13.5% (65/480)
D)36.9% (72/195)
E)49.4% (285/480)

Question 12

A large national retailer of electronics conducted a survey to determine consumer preferences for various brands of digital cameras and the data are summarized in the table shown below.Of the consumers who prefer Olympus, what percentage is female?

A)47.4 % (37/78)
B)6.0% (41/688)
C)52.6% (41/78)
D)11.7% (45/383)
E)11.3% (78/688)

Question 13

A large national retailer of electronics conducted a survey to determine consumer preferences for various brands of digital cameras and the data are summarized in the table shown below.

Of the consumers who are male, the percentage who prefer Sony is ___________ .

A)44.3 % (305/688)
B)10.8% (33/305)
C)36.3% (33/91)
D)4.8% (33/688)
E)13.2% (91/688)

Question 14

A regional survey was carried out to gauge public opinion on the controversial Arizona Immigration Law.The results are displayed in the segmented bar chart below.Which of the following statements is true?

A)A greater percentage of Republicans oppose the law compared to Democrats.
B)A greater percentage of Republicans oppose the law compared to Independents.
C)Opinion about the law appears to be independent of political party affiliation.
D)A greater percentage of Democrats oppose the law compared to Republicans.
E)The segmented bar chart is not appropriate for these data.

Question 15

A regional survey was carried out to gauge public opinion on the controversial Arizona Immigration Law.Based on the results displayed in the table below, what percent of respondents is Independent?

A)35%
B)9%
C)29%
D)45%
E)25%

Question 16

A company interested in the health of its employees started a health program including monitoring blood pressure.Based on age, employees were categorized according to ranges of blood pressure by age intervals.Data are shown in the table below.

The percentage of employees who are over age 50 and have high blood pressure is ___________.

A)46.8% (72/154)
B)32.1% (154/480)
C)31.6% (59/187)
D)36.9% (72/195)
E)15.0% (72/480)

Question 17

A consulting firm examined the profit of two grocery stores and found that over the last year at Grocery Store A 66.7% of the months showed profit while at Grocery Store B 83.3% showed profit.The table below summarizes the findings.

On closer investigation, it was observed that there was a difference in profit between stores that served wealthier neighborhoods versus less wealthy.The following tables were created:
Grocery stores serving wealthy neighborhoods:

Grocery stores serving less wealthy neighborhoods:

What can be assumed about the profit of grocery stores?

A)Grocery Store B has more consistent profit overall.
B)It is clear that less wealthy neighborhoods will not yield these grocery store profits.
C)It is unclear how to predict the profit of these grocery stores based on the wealth of neighborhoods.
D)Grocery Store A showed less profit overall but showed greater profit in wealthier neighborhoods.
E)There is no difference in profit overall with grocery stores in either wealthier versus less wealthy neighborhoods.

Question 18

In May, 2010, the Pew Research Center for the People & the Press carried out a national survey to gauge opinion on the Arizona Immigration Law.Responses (Favor, Oppose, Don't Know) were examined according to groups defined by political party affiliation (Democrat, Republican, Independent).Which of the following would be appropriate for displaying these data?

A)Contingency table.
B)Pie charts.
C)Segmented bar chart.
D)Side by side bar chart.
E)All of the above.

Question 19

Based on the side-by-side bar chart summarizing consumer preferences for various brands of digital cameras by gender, which of the following statement(s) are true?

A)It appears that camera preference and gender are at least somewhat related.
B)If Other Brands are ignored, it appears that camera preference and gender are independent.
C)If Other Brands are ignored, it is not obvious that camera preference and gender are independent.
D)More males than females prefer Cannon.
E)More females than males prefer Sony.

Question 20

A company interested in the health of its employees started a health program including monitoring blood pressure.Based on age, employees were categorized according to ranges of blood pressure by age intervals.Data are shown in the table below.

Of all employees, the percentage who are over 50 and have high blood pressure is ___________ .

A)46.8% (72/154)
B)15.0% (72/480)
C)31.6% (59/187)
D)36.9% (72/195)
E)47.2% (92/195)

Question 21

Accenture, a consulting firm, conducted an online survey of 500 US consumers in September 2013.Based on their response to the question "What is your motive for shopping late in the season?" which of the following would be appropriate method(s) for displaying the male only data shown in the table?

A)Contingency table.
B)Pie chart.
C)Segmented bar chart.
D)Side by side bar chart.
E)All of the above.

Question 22

Accenture, a consulting firm, conducted an online survey of 500 US consumers in September, 2013.

What percentage of consumers thought that shopping on "Black Friday" is part of the holiday tradition?

A)8.3%
B)33.3%
C)11.1%
D)12.5%
E)75.0%

Question 23

Accenture, a consulting firm, conducted an online survey of 500 US consumers from in 2013.

What percentage of men were felt that better discounts were available on "Black Friday"?

A)26.5%
B)65%
C)20%
D)17.8%
E)5.5%

Question 24

A clothing store uses comment cards to get feedback from its customers about newly added items.It recently introduced plus size fashion wear.Customers who purchased the items were asked to fill out an online comment survey giving 10% off the next purchase.The data are summarized in the table below.What percentage of customers would be less likely to purchase another item (Less or Not fully satisfied)?

A)10%
B)15%
C)40%
D)50%
E)77%

Question 25

Accenture, a consulting firm, conducted an online survey of 500 US consumers from in 2013.

What percentage of those who thought that better discounts were available on "Black Friday" were female?

A)81.3%
B)33.3%
C)11.1%
D)47.2%
E)23.5%

Question 26

Accenture, a consulting firm, conducted an online survey of 500 US consumers in September 2013.Based on their response to the question "What is your motive for shopping late in the season?" which of the following would be an appropriate method for displaying the data shown in the table?

A)Contingency table.
B)Pie charts.
C)Segmented bar chart.
D)Side by side bar chart.
E)All of the above.

Question 27

Accenture, a consulting firm, conducted an online survey of 500 US consumers from 2009 to 2013.The results are displayed in the segmented bar chart below.Which of the following statement(s) is (are) true?

A)A smaller percentage of shoppers over the past 5 years are undecided about shopping on "Black Friday".
B)In 2013, there was an increase in Very likely to shop on "Black Friday" over 2012.
C)From 2011 to 2013, there was a decrease in Not at all likely to shop on "Black Friday".
D)A greater percentage of shoppers over the past 5 years are at least somewhat likely to shop on "Black Friday".
E)The segmented bar chart is not appropriate for these data.

Question 28

A clothing store uses comment cards to get feedback from its customers about newly added items.It recently introduced plus size fashion wear.Customers who purchased the items were asked to fill out an online comment survey giving 10% off the next purchase.The data are summarized in the table below.What percentage of customers were at least satisfied with the item(s) purchased (Satisfied or Very satisfied)?

A)49.2%
B)73.8%
C)24.6%
D)26.2%
E)68.9%

Question 29

A regional survey was carried out to gauge public opinion on the controversial Arizona Immigration Law (results shown below).Of respondents who oppose the law, what percent is Democrat?

A)13%
B)35%
C)22%
D)45%
E)6

Question 30

Accenture, a consulting firm, conducted an online survey of 500 US consumers from 2009 to 2013.The results are displayed in the segmented bar chart below.How many respondents in 2012 are at least somewhat likely to shop on "Black Friday"?

A)265
B)275
C)140
D)230
E)95