Question 1

Find each of the following percentages.
A. What percent of the clients are over age 50 who invests in mutual funds?
b. What percent of clients over age 50 invest in mutual funds?
c. What percent of the mutual fund investors are over age 50?

Accepted Answer

The answer of Find each of the following percentages.
A. What...

Question 2

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. . $$\begin{array}{l}
\begin{array} { | c | c | c | c | c | } 
\hline & { \text { Age } } & \
\hline \text { BP } & \text { Under 30 } & \mathbf { 3 0 } - \mathbf { 4 9 } & \text { Over 50 } & \text { Total } \
\hline \text { Low } & 27 & 38 & 31 & 96 \
\hline \text { Normal } & 48 & 90 & 92 & 230 \
\hline \text { High } & 23 & 59 & 72 & 154 \
\hline \text { Total } & 98 & 187 & 195 & 480 \
\hline
\end{array}\
\text { The percentage of employees with normal or low blood pressure is }
\end{array}$$

Accepted Answer

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 3

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. Which of the following would be
An appropriate method for displaying the data shown in the table? $$\begin{array} { | l | l | } 
\hline \text { Response } & \text { Frequency } \
\hline \text { Very satisfied. } & 15 \
\hline \text { Satisfied. } & 30 \
\hline \text { Less than fully satisfied. } & 12 \
\hline \text { Not satisfied. } & 4 \
\hline
\end{array}$$

Accepted Answer

A)  Contingency table. 
B)  Segmented bar chart. 
C)  Pie chart. 
D)  Both A and B. 
E)  Both B and C.

Question 4

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

Accepted Answer

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

Question 5

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? $$\begin{array} { | l | l | l | l | } 
\hline \text { Response } & \text { Democrat } & \text { Republican } & \text { Independent } \
\hline \text { Favor } & 50 & 93 & 35 \
\hline \text { Oppose } & 85 & 45 & 60 \
\hline \text { Don't Know } & 5 & 7 & 20 \
\hline
\end{array}$$

Accepted Answer

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

Question 6

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? $$\begin{array} { | l | l | l | l | } 
\hline \text { Response } & \text { Democrat } & \text { Republican } & \text { Independent } \
\hline \text { Favor } & 50 & 93 & 35 \
\hline \text { Oppose } & 85 & 45 & 60 \
\hline \text { Don't Know } & 5 & 7 & 20 \
\hline
\end{array}$$

Accepted Answer

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

Question 7

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

Accepted Answer

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 8

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"?

Accepted Answer

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

Question 9

Prepare an appropriate chart to display the marginal distribution of age.

Accepted Answer

The answer of Prepare an appropriate chart to display the...

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? $$\begin{array} { | l | l | l | l | } 
\hline \text { Response } & \text { Democrat } & \text { Republican } & \text { Independent } \
\hline \text { Favor } & 50 & 93 & 35 \
\hline \text { Oppose } & 85 & 45 & 60 \
\hline \text { Don't Know } & 5 & 7 & 20 \
\hline
\end{array}$$

Accepted Answer

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

Question 11

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)? $$\begin{array} { | l | l | } 
\hline \text { Response } & \text { Frequency } \
\hline \text { Very satisfied. } & 15 \
\hline \text { Satisfied. } & 30 \
\hline \text { Less than fully satisfied. } & 12 \
\hline \text { Not satisfied. } & 4 \
\hline
\end{array}$$

Accepted Answer

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

Question 12

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:

$$\begin{array}{l}
\text { Grocery stores serving less wealthy neighborhoods: }\
\begin{array} { | l | c | c | c | c | } 
\hline & \begin{array} { c } 
\text { Months } \
\text { Profit }
\end{array} & \text { Months Loss } & \text { Total } & \% \text { months profit } \
\hline \text { Grocery A } & 2 & 2 & 4 & 50.0 \% \
\hline \text { Grocery B } & 1 & 1 & 2 & 50.0 \% \
\hline
\end{array}
\end{array}$$ What can be assumed about the profit of grocery stores?

Accepted Answer

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 13

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. 
$\text { Of all employees, the percentage who are over } 50 \text { and have high blood pressure is }$

Accepted Answer

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 14

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

Accepted Answer

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 15

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?

Accepted Answer

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

Question 16

Identify the variables and tell whether each is categorical or quantitative.

Accepted Answer

The answer of Identify the variables and tell whether each...

Question 17

Accenture, a consulting firm, conducted an online survey of 500 US consumers from in 2013. $$\begin{array} { | l | l | l | } 
\hline \text { Response } & \text { Male } & \text { Female } \
\hline \text { Too busy to shop earlier } & 115 & 75 \
\hline \text { More time to save for gifts } & 50 & 80 \
\hline \text { Better discounts available } & 65 & 20 \
\hline \text { Part of the holiday tradition } & 15 & 5 \
\hline \text { None of the above } & 120 & 60 \
\hline
\end{array}$$ What percentage of men were felt that better discounts were available on "Black Friday"?

Accepted Answer

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

Question 18

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?

Accepted Answer

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 19

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?

Accepted Answer

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

Accepted Answer

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).

Exam 2: Displaying and Describing Categorical Data

Find each of the following percentages. A. What percent of the clients are over age 50 who invests in mutual funds? b. What percent of clients over age 50 invest in mutual funds? c. What percent of the mutual fund investors are over age 50?

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"?

Prepare an appropriate chart to display the marginal distribution of age.

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

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?

Identify the variables and tell whether each is categorical or quantitative.

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?