Question 1

Write a sentence or two about the conditional relative frequency distribution of the
brands among female respondents.

Accepted Answer

Among females, 19.1% prefer Cannon, 12.8

Question 2

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

Accepted Answer

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. 
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 3

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? $$\begin{array} { | l | l | } 
\hline \text { Response } & \text { Frequency } \
\hline \text { Definitely would. } & 10 \
\hline \text { Most likely would. } & 40 \
\hline \text { Maybe } & 12 \
\hline \text { Definitely would not. } & 3 \
\hline
\end{array}$$

Accepted Answer

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

Question 4

Find each of the following percentages. a. What percent of the responses were males who prefer Nikon?
b. What percent of the male responses prefer Olympus?
c. What percent of the consumers who choose Nikon were females?

Accepted Answer

a. What percent of the responses were ma

Question 5

What is the marginal distribution of brands?

Accepted Answer

132 for Cannon Power Shot, 96

Write a sentence or two about the conditional relative frequency distribution of the brands among female respondents.

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

Find each of the following percentages. a. What percent of the responses were males who prefer Nikon? b. What percent of the male responses prefer Olympus? c. What percent of the consumers who choose Nikon were females?

What is the marginal distribution of brands?

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

Filters

Exam 2: Displaying and Describing Categorical Data

Write a sentence or two about the conditional relative frequency distribution of the brands among female respondents.

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

Find each of the following percentages. a. What percent of the responses were males who prefer Nikon? b. What percent of the male responses prefer Olympus? c. What percent of the consumers who choose Nikon were females?

What is the marginal distribution of brands?

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

Filters