Principles Of Microeconomics
Principles Of Microeconomics
13th Edition
ISBN: 9780135162170
Author: CASE, Karl E., Fair, Ray C., Oster, Sharon M.
Publisher: Pearson,
Question
Book Icon
Chapter 22, Problem 1.1P

(a)

To determine

Identify the selection bias in the study of heart disease and fast food.

(a)

Expert Solution
Check Mark

Explanation of Solution

In the study of 5,000 office workers in Chicago, they considered only two variables such as heart diseases and fast food. But, in reality there were many reasons behind the heart diseases of a person. For example, lack of exercise, or a poor healthy life style and so on. With these reasons, there is also a possibility of regularly dine on fast food. Therefore, eating fast food thrice or many times per week is not only the reason for heart disease. Therefore, selection bias occurs in this study.

Economics Concept Introduction

Selection bias: A selection bias occurs in a study, if the sample used in that study is not random.

(b)

To determine

Identify the selection bias in the study of senior assisted living facilities.

(b)

Expert Solution
Check Mark

Explanation of Solution

A survey of senior-assisted living facilities states that majority of residents are females. Because, on an average, female tend to outlive men. But, this is not in the case of old men citizens. They do not need much assistance as older women. But, the notable fact that there are several older women in the population than older men. Therefore, selection bias occurs in this study.

Economics Concept Introduction

Selection bias: A selection bias occurs in a study, if the sample used in that study is not random.

(c)

To determine

Identify the selection bias in the study of graduation from private and public universities.

(c)

Expert Solution
Check Mark

Explanation of Solution

This study of college students' graduation from private and public universities states that an education from private university will enhance students' earnings. Those who have selected private university have more earning potential than those who have selected public universities. Therefore, private university is more selective. In other words, those students who have greater earning potential would likely select private universities.

Economics Concept Introduction

Selection bias: A selection bias occurs in a study, if the sample used in that study is not random.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!
Knowledge Booster
Background pattern image
Recommended textbooks for you
Text book image
ENGR.ECONOMIC ANALYSIS
Economics
ISBN:9780190931919
Author:NEWNAN
Publisher:Oxford University Press
Text book image
Principles of Economics (12th Edition)
Economics
ISBN:9780134078779
Author:Karl E. Case, Ray C. Fair, Sharon E. Oster
Publisher:PEARSON
Text book image
Engineering Economy (17th Edition)
Economics
ISBN:9780134870069
Author:William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
Publisher:PEARSON
Text book image
Principles of Economics (MindTap Course List)
Economics
ISBN:9781305585126
Author:N. Gregory Mankiw
Publisher:Cengage Learning
Text book image
Managerial Economics: A Problem Solving Approach
Economics
ISBN:9781337106665
Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor
Publisher:Cengage Learning
Text book image
Managerial Economics & Business Strategy (Mcgraw-...
Economics
ISBN:9781259290619
Author:Michael Baye, Jeff Prince
Publisher:McGraw-Hill Education