Deck 3: Relationships Between Categorical Variablescontingency Tables

Question 1

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).

Answer 1

B

Question 2

The following is a bar chart summarizing educational attainment in the US in 2017. This bar chart shows

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

Answer 2

A

Question 3

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

Answer 3

D

Question 4

The US Census reported the following counts for various education levels by gender in December 2017.. The percentage of those who have attained a Graduate Degree and are male is

A)48.1 % (104325 / 216922)
B)6.1 % (13206 / 216922)
C)12.7 % (13206/ 104325)
D)90.2 % (13206 / 14635)
E)47.4 % (13206 / 27841)

Question 5

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 6

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 7

The US Census reported the following counts for various education levels by gender in December 2017.. The percentage of females who have attained an Associate's degree is

A)11.2 % (12659 / 112597)
B)5.8 % (12659 / 216922)
C)16.4 % (18525 / 112597)
D)10.3 % (22310 / 216922)
E)56.7 % (12659 / 22310)

Question 8

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 9

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 10

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 11

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 12

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 13

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%

Question 14

Based on the side-by-side bar chart summarizing educational attainment by gender, which of the following statement(s) are true?

A)It appears that educational attainment and gender are at least somewhat related.
B)If High School graduates are ignored, it appears that educational attainment and gender are independent.
C)If High School graduates are ignored, it is not obvious that educational attainment and gender are independent.
D)More males than females have a Graduate degree.
E)More females than males have a Bachelor's degree.

Question 15

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 16

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 17

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 18

The US Census reported the following counts for various education levels by gender in December 2017.. Of those who have attained a Graduate Degree, the percentage of males is

A)48.1 % (104325 / 216922)
B)6.1 % (13206 / 216922)
C)12.7 % (13206/ 104325)
D)90.2 % (13206 / 14635)
E)47.4 % (13206 / 27841)

Question 19

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).