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Chapter 1: Q 2.1. (page 17)

Find the conditional distributions of gender among each of the other four opinion categories (we did “Almost no chance” earlier). Use Figure 1.5 or Figure 1.6 to check that your answers are approximately correct.

Short Answer

Expert verified

Yes, our answers are approximately correct.

Step by step solution

01

Given Information

A bar graph comparing the percentage of girls who believe each of the following statements regarding their chances of being wealthy by the age of 30For each viewpoint category, a segmented bar graph depicting the conditional distribution of gender is shown.

02

Concept

To see if the data supports this idea, we should compare the conditional distributions of opinion for men and women.

03

Explanation

In the question, the data is given about the opinions of the young adults about their getting rich according to their gender. So, we have to make a revised version of figures 1.5 and 1.6 which is the conditional distributions of opinion for women and men.

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Most popular questions from this chapter

At the Census Bureau Web site, you can view detailed data collected by the American Community Survey. The table below includes data for 10 people chosen at random from the more than one million people in households contacted by the survey. “School” gives the highest level of education completed.

This data set contains

(a) 7 variables, 2 of which are categorical.

(b) 7 variables, 1 of which is categorical.

(c) 6 variables, 2 of which are categorical.

(d) 6 variables, 1 of which is categorical.

(e) None of these.

Population pyramids Refer to Exercise 64. Here is a graph of the projected population distribution for China in the year 2050. Describe what the graph suggests about China’s future population. Be specific.

Which of the following statements about this distribution is not correct?

(a) The histogram is right-skewed.

(b) The median is less than \(20

(c) The IQR is \)35

(d) The mean is greater than the median.

(e) The histogram is unimodal.

The National Survey of Adolescent Health interviewed several thousand teens (grades 7 to 12). One question asked was "What do you think are the chances you will be married in the next ten years?" Here is a two-way table of the responses by gender: Your percent from the previous exercise is part of-

(a) the marginal distribution of gender.

(b) the marginal distribution of opinion about marriage.

(c) the conditional distribution of gender among adolescents with a given opinion.

(d) the conditional distribution of opinion among adolescents of a given gender.

(e) the conditional distribution of “Almost certain” among females.

About 1.6 million first-year students enroll in colleges and universities each year. What do they plan to study? The graph displays data on the percent of first-year students who plan to major in several discipline areas.

Would it be correct to describe this distribution as right-skewed? Why or why not?
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