Q 28. The National Survey of Adolescen... [FREE SOLUTION]

91影视

The Practice of Statistics for AP

David Moore,Daren Starnes,Dan Yates

$Math Studyset 91影视 Explanations$ Math

4th Edition 路 809 pages

ISBN: 9781319113339

Chapter 1: Q 28. (page 25)

The National Survey of Adolescent Health interviewed several thousand teens (grades 7 to 12). One question asked was 鈥淲hat do you think are the chances you will be married in the next ten years?鈥� 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 females.
(b) the marginal distribution of gender.
(c) the marginal distribution of opinion about marriage.
(d) the conditional distribution of gender among adolescents with a given opinion.
(e) the conditional distribution of opinion among adolescents of a given gender.

Short Answer

Expert verified

The correct option is (b) the marginal distribution of gender.

Step by step solution

Given information

Different percentages of male-female respondents are provided in the table.

	Female	Male
Almost no chance	119	103
Some chance, but probably not	150	171
A 50-50 chance	447	512
A good chance	735	710
Almost certain	1174	756

Concept

There is a real-world scenario for a statistical problem. The four processes of state, plan, do, and conclusions can be used to organize a variety of situations.

Explanation

The following are the results of a countrywide study of adolescent health interviews of youths (males and females):

	Females	Males	Total
Almost no chance	119	103	222
Some chance, but probably not	150	171	321
A 50-50 chance	447	512	959
A good chance	735	710	1445
Almost certain	1174	756	1930
Total	2625	2252	4877
Percentage of males or female	53.82407218	46.17592782