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

Question

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Answer 1

Question

Chapter 22, Problem 1.1P

(a)

To determine

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

(a)

Expert Solution

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

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

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.

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Answer 2

Question

Chapter 22, Problem 1.1P

(a)

To determine

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

(a)

Expert Solution

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

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

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.

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Answer 3

Question

Chapter 22, Problem 1.1P

(a)

To determine

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

(a)

Expert Solution

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

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

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.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 22, Problem 1.1P

(a)

To determine

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

(a)

Expert Solution

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

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

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.

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Answer 5

Chapter 22, Problem 1.1P

(a)

To determine

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

(a)

Expert Solution

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

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

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.

Answer 6

Chapter 22, Problem 1.1P

(a)

To determine

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

(a)

Expert Solution

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.

Answer 7

Chapter 22, Problem 1.1P

(a)

To determine

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

Answer 8

(a)

Expert Solution

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.

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

Economics Concept Introduction

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

Answer 13

(b)

To determine

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

(b)

Expert Solution

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.

Answer 14

(b)

To determine

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

Answer 15

(b)

Expert Solution

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.

Answer 16

(b)

Expert Solution

Answer 17

(b)

Expert Solution

Answer 18

Expert Solution

Answer 19

Economics Concept Introduction

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

Answer 20

(c)

To determine

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

(c)

Expert Solution

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.

Answer 21

(c)

To determine

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

Answer 22

(c)

Expert Solution

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.