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

Question

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Answer 1

Question

Chapter 36, Problem 1.1P

Sub part (a):

To determine

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

Sub part (a):

Expert Solution

Explanation of Solution

A selection bias occurs in a study when the sample used is not random. In a study of 5,000 office workers in Chicago, they analysed only two variables namely heart disease and fast food. But in reality, there are many reasons behind the heart disease of a person. For example, lack of exercise or a poor healthy life style. In addition, there is a possibility to regularly eat fast food.

Economics Concept Introduction

Concept introduction:

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

Sub part (b):

To determine

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

Sub part (b):

Expert Solution

Explanation of Solution

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

Economics Concept Introduction

Concept introduction:

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

Sub part (c):

To determine

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

Sub part (c):

Expert Solution

Explanation of Solution

This study of college student’s graduation from private and public universities states that an education from a private university will enhance a student’s earnings. A private university is more selective. Those who select private university have more earning potential than those who selected public universities. On the contrary, those students who have greater earning potential would likely to select private universities.

Economics Concept Introduction

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 36, Problem 1.1P

Sub part (a):

To determine

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

Sub part (a):

Expert Solution

Explanation of Solution

A selection bias occurs in a study when the sample used is not random. In a study of 5,000 office workers in Chicago, they analysed only two variables namely heart disease and fast food. But in reality, there are many reasons behind the heart disease of a person. For example, lack of exercise or a poor healthy life style. In addition, there is a possibility to regularly eat fast food.

Economics Concept Introduction

Concept introduction:

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

Sub part (b):

To determine

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

Sub part (b):

Expert Solution

Explanation of Solution

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

Economics Concept Introduction

Concept introduction:

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

Sub part (c):

To determine

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

Sub part (c):

Expert Solution

Explanation of Solution

This study of college student’s graduation from private and public universities states that an education from a private university will enhance a student’s earnings. A private university is more selective. Those who select private university have more earning potential than those who selected public universities. On the contrary, those students who have greater earning potential would likely to select private universities.

Economics Concept Introduction

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 3

Question

Chapter 36, Problem 1.1P

Sub part (a):

To determine

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

Sub part (a):

Expert Solution

Explanation of Solution

A selection bias occurs in a study when the sample used is not random. In a study of 5,000 office workers in Chicago, they analysed only two variables namely heart disease and fast food. But in reality, there are many reasons behind the heart disease of a person. For example, lack of exercise or a poor healthy life style. In addition, there is a possibility to regularly eat fast food.

Economics Concept Introduction

Concept introduction:

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

Sub part (b):

To determine

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

Sub part (b):

Expert Solution

Explanation of Solution

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

Economics Concept Introduction

Concept introduction:

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

Sub part (c):

To determine

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

Sub part (c):

Expert Solution

Explanation of Solution

This study of college student’s graduation from private and public universities states that an education from a private university will enhance a student’s earnings. A private university is more selective. Those who select private university have more earning potential than those who selected public universities. On the contrary, those students who have greater earning potential would likely to select private universities.

Economics Concept Introduction

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!

Answer 4

Question

Chapter 36, Problem 1.1P

Sub part (a):

To determine

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

Sub part (a):

Expert Solution

Explanation of Solution

A selection bias occurs in a study when the sample used is not random. In a study of 5,000 office workers in Chicago, they analysed only two variables namely heart disease and fast food. But in reality, there are many reasons behind the heart disease of a person. For example, lack of exercise or a poor healthy life style. In addition, there is a possibility to regularly eat fast food.

Economics Concept Introduction

Concept introduction:

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

Sub part (b):

To determine

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

Sub part (b):

Expert Solution

Explanation of Solution

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

Economics Concept Introduction

Concept introduction:

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

Sub part (c):

To determine

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

Sub part (c):

Expert Solution

Explanation of Solution

This study of college student’s graduation from private and public universities states that an education from a private university will enhance a student’s earnings. A private university is more selective. Those who select private university have more earning potential than those who selected public universities. On the contrary, those students who have greater earning potential would likely to select private universities.

Economics Concept Introduction

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!

Answer 5

Chapter 36, Problem 1.1P

Sub part (a):

To determine

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

Sub part (a):

Expert Solution

Explanation of Solution

A selection bias occurs in a study when the sample used is not random. In a study of 5,000 office workers in Chicago, they analysed only two variables namely heart disease and fast food. But in reality, there are many reasons behind the heart disease of a person. For example, lack of exercise or a poor healthy life style. In addition, there is a possibility to regularly eat fast food.

Economics Concept Introduction

Concept introduction:

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

Sub part (b):

To determine

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

Sub part (b):

Expert Solution

Explanation of Solution

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

Economics Concept Introduction

Concept introduction:

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

Sub part (c):

To determine

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

Sub part (c):

Expert Solution

Explanation of Solution

This study of college student’s graduation from private and public universities states that an education from a private university will enhance a student’s earnings. A private university is more selective. Those who select private university have more earning potential than those who selected public universities. On the contrary, those students who have greater earning potential would likely to select private universities.

Economics Concept Introduction

Concept introduction:

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

Answer 6

Chapter 36, Problem 1.1P

Sub part (a):

To determine

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

Sub part (a):

Expert Solution

Explanation of Solution

A selection bias occurs in a study when the sample used is not random. In a study of 5,000 office workers in Chicago, they analysed only two variables namely heart disease and fast food. But in reality, there are many reasons behind the heart disease of a person. For example, lack of exercise or a poor healthy life style. In addition, there is a possibility to regularly eat fast food.

Economics Concept Introduction

Concept introduction:

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

Answer 7

Chapter 36, Problem 1.1P

Sub part (a):

To determine

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

Answer 8

Sub part (a):

Expert Solution

Explanation of Solution

A selection bias occurs in a study when the sample used is not random. In a study of 5,000 office workers in Chicago, they analysed only two variables namely heart disease and fast food. But in reality, there are many reasons behind the heart disease of a person. For example, lack of exercise or a poor healthy life style. In addition, there is a possibility to regularly eat fast food.

Answer 9

Sub part (a):

Expert Solution

Answer 10

Sub part (a):

Expert Solution

Answer 11

Expert Solution

Answer 12

Economics Concept Introduction

Concept introduction:

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

Answer 13

Sub part (b):

To determine

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

Sub part (b):

Expert Solution

Explanation of Solution

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

Economics Concept Introduction

Concept introduction:

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

Answer 14

Sub part (b):

To determine

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

Answer 15

Sub part (b):

Expert Solution

Explanation of Solution

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

Answer 16

Sub part (b):

Expert Solution

Answer 17

Sub part (b):

Expert Solution

Answer 18

Expert Solution

Answer 19

Economics Concept Introduction

Concept introduction:

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

Answer 20

Sub part (c):

To determine

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

Sub part (c):

Expert Solution

Explanation of Solution

This study of college student’s graduation from private and public universities states that an education from a private university will enhance a student’s earnings. A private university is more selective. Those who select private university have more earning potential than those who selected public universities. On the contrary, those students who have greater earning potential would likely to select private universities.

Economics Concept Introduction

Concept introduction:

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

Answer 21

Sub part (c):

To determine

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

Answer 22

Sub part (c):

Expert Solution

Explanation of Solution

This study of college student’s graduation from private and public universities states that an education from a private university will enhance a student’s earnings. A private university is more selective. Those who select private university have more earning potential than those who selected public universities. On the contrary, those students who have greater earning potential would likely to select private universities.