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

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). 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).

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

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

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

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

A regional survey was carried out to gauge public opinion on the controversial Arizona Immigration Law (results shown below). What percent oppose the law? \[\begin{array} { | l | l | l | l | } \hline \text { Response } & \text { Democrat } & \text { Republican } & \text { Independent } \\ \hline \text { Favor } & 50 & 93 & 35 \\ \hline \text { Oppose } & 85 & 45 & 60 \\ \hline \text { Don't Know } & 5 & 7 & 20 \\ \hline \end{array}\]

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

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"?

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

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?

(Essay)

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Question 21

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. . Age BP Under 30 - Over 50 Total Low 27 38 31 96 Normal 48 90 92 230 High 23 59 72 154 Total 98 187 195 480 The percentage of employees with normal or low blood pressure is

(Multiple Choice)

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Question 22

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? Response Frequency Very satisfied. 15 Satisfied. 30 Less than fully satisfied. 12 Not satisfied. 4

(Multiple Choice)

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Question 23

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

(Multiple Choice)

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Question 24

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? Response Democrat Republican Independent Favor 50 93 35 Oppose 85 45 60 Don't Know 5 7 20

(Multiple Choice)

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Question 25

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? Response Democrat Republican Independent Favor 50 93 35 Oppose 85 45 60 Don't Know 5 7 20

(Multiple Choice)

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Question 26

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

(Multiple Choice)

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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. How many Respondents in 2012 are at least somewhat likely to shop on "Black Friday"?

(Multiple Choice)

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Question 28

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

(Essay)

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Question 29

A regional survey was carried out to gauge public opinion on the controversial Arizona Immigration Law (results shown below). What percent oppose the law? Response Democrat Republican Independent Favor 50 93 35 Oppose 85 45 60 Don't Know 5 7 20

(Multiple Choice)

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Question 30

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)? Response Frequency Very satisfied. 15 Satisfied. 30 Less than fully satisfied. 12 Not satisfied. 4

(Multiple Choice)

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Question 31

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. $A consulting firm examined the profit of two grocery stores and found that over the last year at Grocery Store A 66.7% of the months showed profit while at Grocery Store B 83.3% showed Profit. The table below summarizes the findings. On closer investigation, it was observed that there was a difference in profit between stores that served wealthier neighborhoods versus less wealthy. The following tables were created: Grocery stores serving wealthy neighborhoods: \begin{array}{l} \text { Grocery stores serving less wealthy neighborhoods: }\\ \begin{array} { | l | c | c | c | c | } \hline & \begin{array} { c } \text { Months } \\ \text { Profit } \end{array} & \text { Months Loss } & \text { Total } & \% \text { months profit } \\ \hline \text { Grocery A } & 2 & 2 & 4 & 50.0 \% \\ \hline \text { Grocery B } & 1 & 1 & 2 & 50.0 \% \\ \hline \end{array} \end{array} What can be assumed about the profit of grocery stores?$ 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: $A consulting firm examined the profit of two grocery stores and found that over the last year at Grocery Store A 66.7% of the months showed profit while at Grocery Store B 83.3% showed Profit. The table below summarizes the findings. On closer investigation, it was observed that there was a difference in profit between stores that served wealthier neighborhoods versus less wealthy. The following tables were created: Grocery stores serving wealthy neighborhoods: \begin{array}{l} \text { Grocery stores serving less wealthy neighborhoods: }\\ \begin{array} { | l | c | c | c | c | } \hline & \begin{array} { c } \text { Months } \\ \text { Profit } \end{array} & \text { Months Loss } & \text { Total } & \% \text { months profit } \\ \hline \text { Grocery A } & 2 & 2 & 4 & 50.0 \% \\ \hline \text { Grocery B } & 1 & 1 & 2 & 50.0 \% \\ \hline \end{array} \end{array} What can be assumed about the profit of grocery stores?$ Grocery stores serving less wealthy neighborhoods: Months Profit Months Loss Total \% months profit Grocery A 2 2 4 50.0\% Grocery B 1 1 2 50.0\% What can be assumed about the profit of grocery stores?

(Multiple Choice)

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Question 32

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. $A company interested in the health of its employees started a health program including monitoring blood pressure. Based on age, employees were categorized according to ranges of Blood pressure by age intervals. Data are shown in the table below. \text { Of all employees, the percentage who are over } 50 \text { and have high blood pressure is }$ $\text { Of all employees, the percentage who are over } 50 \text { and have high blood pressure is }$

(Multiple Choice)

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Question 33

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

(Multiple Choice)

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Question 34

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?

(Multiple Choice)

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Question 35

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

(Essay)

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Question 36

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

(Multiple Choice)

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(41)

Question 37

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?

(Multiple Choice)

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Question 38

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?

(Multiple Choice)

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Question 39

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

(Multiple Choice)

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Question 40

Showing 21 - 40 of 45

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?

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 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? Response Democrat Republican Independent Favor 50 93 35 Oppose 85 45 60 Don't Know 5 7 20

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? Response Democrat Republican Independent Favor 50 93 35 Oppose 85 45 60 Don't Know 5 7 20

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

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.

A regional survey was carried out to gauge public opinion on the controversial Arizona Immigration Law (results shown below). What percent oppose the law? Response Democrat Republican Independent Favor 50 93 35 Oppose 85 45 60 Don't Know 5 7 20

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?

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?

Data and Decisions

Displaying and Describing Quantitative Data

Correlation and Linear Regression

Randomness and Probability

Random Variables and Probability Models

The Normal and Other Continuous Distributions

Surveys and Sampling

Sampling Distributions and Confidence Intervals for Proportions

Testing Hypotheses About Proportions

Confidence Intervals and Hypothesis Tests for Means

Comparing Two Means

Inference for Counts: Chi-Square Tests

Inference for Regression

Multiple Regression

Introduction to Data Mining

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