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

Question

Want to see more full solutions like this?

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.

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!

Students have asked these similar questions

China is a leader in international trade, has one of the highest GDPs, and currently holds the largest foreign exchange reserve in the world. Is it fair for China to fix its currency by undervaluing it on the market? How does keeping its currency undervalued give it a favorable position in international trade? What about from the viewpoints of international companies and consumers?

Explain the requirements of the states that have enacted legislation to protect taxpayers from predatory tax return preparers and tax refund advances.

Responsd to Luis Rodriguez 1800 tons of pomegranates a year is a lot of sweetness! So, you can get 71 Afghanis for $1? How cool. Does that mean you can buy a lot of stuff in Afghanistan for only $1? How do you know that your purchasing power in Afghanistan is stronger than in the United States? Yes, with an exchange rate of 71 Afghan Afghani for 1 US dollar, you can buy many things in Afghanistan for just $1. However, purchasing power isn't solely determined by the exchange rate. It also depends on the cost of goods and services in each country. For example, if a meal in Afghanistan costs 200 Afghanis, you would need about $2.82 to buy that meal in US dollars (since 200 Afghanis divided by 71 Afghanis per dollar equals approximately $2.82). So, while the exchange rate allows you to get more Afghanis for your dollars, you also need to consider how much things cost in Afghanistan. Now that the world seems to like Afghani stuff and is buying more of it, does that mean your…

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.

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 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.

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 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.

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 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.