/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q AP1.10. The General Social Survey (GSS),... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 4: Q AP1.10. (page 277)

The General Social Survey (GSS), conducted by the National Opinion Research Center at the University of Chicago, is a major source of data on social attitudes in the United States. Once each year, 1500 adults are interviewed in their homes all across the country. The subjects are asked their opinions about sex and marriage, attitudes toward women, welfare, foreign policy, and many other issues. The GSS begins by selecting a sample of counties from the 3000 counties in the country. The counties are divided into urban, rural, and suburban; a separate sample is chosen at random from each group. This is a

(a) simple random sample.

(b) systematic random sample.

(c) cluster sample.

(d) stratified random sample.

(e) voluntary response sample.

Short Answer

Expert verified

The correct option is (d) stratified random sample.

Step by step solution

01

Given information

Number of adults interviewed =1500

Total number of countries =3000

The countries are categorized into three categories: urban, rural, and suburban.

02

Concept

A simple random sample (SRS) of size n is made up of n people chosen from the population with an equal chance of being the sample that is actually chosen.

03

Explanation

The stratified sampling method divides the population into subgroups depending on criteria such as gender and geographic location. This is done in order to proportionally incorporate each attribute in the sample. In this example, the countries (populations) are separated into three groups based on geographical regions, and a sample is taken from each group to represent each of the groupings, after which they are asked for their opinions. As a result, stratified random sampling is employed.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

A simple random sample of 1200 adult Americans is selected, and each person is asked the following question: 鈥淚n light of the huge national deficit, should the government at this time spend additional money to establish a national system of health insurance?鈥� Only 39% of those responding answered 鈥淵es.鈥� This survey

(a) is reasonably accurate since it used a large simple random sample.

(b) needs to be larger since only about 24 people were drawn from each state.

(c) probably understates the percent of people who favor a system of national health insurance.

(d) is very inaccurate but neither understates nor overstates the percent of people who favor a system of national health insurance. Since simple random sampling was used, it is unbiased.

(e) probably overstates the percent of people who favor a system of national health insurance.

What is the purpose of the control group in this experiment?

How was your stay? A hotel has 30 floors with 40 rooms per floor. The rooms on one side of the hotel face the water, while rooms on the other side face a

golf course. There is an extra charge for the rooms with a water view. The hotel manager wants to survey 120 guests who stayed at the hotel during a convention about their overall satisfaction with the property.

(a) Explain why choosing a stratified random sample might be preferable to an SRS in this case. What would you use as strata?

(b) Why might a cluster sample be a simpler option? What would you use as clusters?

Effects of binge drinking A common definition of 鈥渂inge drinking鈥� is 5 or more drinks at one sitting for men and 4 or more for women. An observational study

finds that students who binge drink have lower average GPA than those who don鈥檛. Identify a lurking variable that may be confounded with the effects of binge drinking. Explain how confounding might occur.

Does eating dinner with their families improve students鈥� academic performance? According to an ABC News article, 鈥淭eenagers who eat with their families at least five times a week are more likely to get better grades in

school.鈥�19 This finding was based on a sample survey conducted by researchers at Columbia University.

Was this an observational study or an experiment? Justify your answer.
See all solutions

Recommended explanations on Math Textbooks

Logic and Functions

Read Explanation

Applied Mathematics

Read Explanation

Decision Maths

Read Explanation

Geometry

Read Explanation

Calculus

Read Explanation

Mechanics Maths

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.