HLTH 485 Principles of Epidemiology and Biostatistics for
Business Quiz: Hypothesis Testing to Population
Indicators 2025 Liberty University
Due Jun 16 at
11:59pm Points 80
Questions 30
Time Limit 120 Minutes
Instructions
The quiz:
Covers the Learn material from Module 4: Week 4 — Module 5:
Week 5. Contains 30 multiple choice, true/false, and/or matching
questions.
Is limited to 2
hours. Allows 1
attempt.
Is worth 80 points.
Submit this assignment by 11:59 p.m. (ET) on Monday of Module 5: Week 5.
Attempt History
Attempt Time Score
LATEST Attempt 1 61 minutes 51 out of 80
Correct answers are hidden.
Score for this quiz: 51 out of
80 Submitted Jun 15 at
12:24am This attempt
took 61 minutes.
Question 1
pts
True or False? The correlation coefficient is useful for measuring associations among continuous variables in
ecologic studies.
True
False
Ahead: 7.3. Measures of
Association Complexity:
Moderate
Subject: Chapter 7
Title: Hypothesis Testing and Measures of Association
IncorrectQuestion 2
pts
Refer to the following cohort data.
,What is the correct formulation for the alternative hypothesis?
, Ahead: 7.3. Measures of
Association Complexity:
Moderate
Subject: Chapter 7
Title: Hypothesis Testing and Measures of Association
Question 3
pts
Suppose you are interested in studying the relationship between an employee's emotional stability and their
ability to perform a task. Emotional stability was determined from a questionnaire as Good versus Bad, and ability
to perform a task was evaluated as Yes versus No. A simple logistic regression was performed with the slope =
1.0295. The standard error was 0.8473. What is the odds ratio?
2.80
3.24
1.49
2.33
Ahead: 7.3. Measures of
Association Complexity:
Moderate
Subject: Chapter 7
Title: Hypothesis Testing and Measures of Association
Question 4
pts
Which of the following is an appropriate technique for adjusting for confounding when the dependent variable is
dichotomous?
Simple
regression
Multiple regression
Logistic
regression
Multiple logistic regression
Ahead: 7.3. Measures of
Association Complexity:
Moderate
Subject: Chapter 7
Title: Hypothesis Testing and Measures of Association
Question 5
pts
Consider the following cohort data:
Business Quiz: Hypothesis Testing to Population
Indicators 2025 Liberty University
Due Jun 16 at
11:59pm Points 80
Questions 30
Time Limit 120 Minutes
Instructions
The quiz:
Covers the Learn material from Module 4: Week 4 — Module 5:
Week 5. Contains 30 multiple choice, true/false, and/or matching
questions.
Is limited to 2
hours. Allows 1
attempt.
Is worth 80 points.
Submit this assignment by 11:59 p.m. (ET) on Monday of Module 5: Week 5.
Attempt History
Attempt Time Score
LATEST Attempt 1 61 minutes 51 out of 80
Correct answers are hidden.
Score for this quiz: 51 out of
80 Submitted Jun 15 at
12:24am This attempt
took 61 minutes.
Question 1
pts
True or False? The correlation coefficient is useful for measuring associations among continuous variables in
ecologic studies.
True
False
Ahead: 7.3. Measures of
Association Complexity:
Moderate
Subject: Chapter 7
Title: Hypothesis Testing and Measures of Association
IncorrectQuestion 2
pts
Refer to the following cohort data.
,What is the correct formulation for the alternative hypothesis?
, Ahead: 7.3. Measures of
Association Complexity:
Moderate
Subject: Chapter 7
Title: Hypothesis Testing and Measures of Association
Question 3
pts
Suppose you are interested in studying the relationship between an employee's emotional stability and their
ability to perform a task. Emotional stability was determined from a questionnaire as Good versus Bad, and ability
to perform a task was evaluated as Yes versus No. A simple logistic regression was performed with the slope =
1.0295. The standard error was 0.8473. What is the odds ratio?
2.80
3.24
1.49
2.33
Ahead: 7.3. Measures of
Association Complexity:
Moderate
Subject: Chapter 7
Title: Hypothesis Testing and Measures of Association
Question 4
pts
Which of the following is an appropriate technique for adjusting for confounding when the dependent variable is
dichotomous?
Simple
regression
Multiple regression
Logistic
regression
Multiple logistic regression
Ahead: 7.3. Measures of
Association Complexity:
Moderate
Subject: Chapter 7
Title: Hypothesis Testing and Measures of Association
Question 5
pts
Consider the following cohort data:
