Question 11
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School
Washington University in St Louis *
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Course
300
Subject
Health Science
Date
Dec 6, 2023
Type
docx
Pages
2
Uploaded by BaronSnakeMaster3069
Question 1
1 pts
In which of these situations would you use a two-way ANOVA?
Group of answer choices
A pharmaceutical company has developed three new blood pressure medications. The
company gives the drug to patients in three different age ranges. The company wants to
know if there are differences in blood pressure due to the medication, the age of the
patients, or if there is any interaction between the type of medication and the patient
age.
A pet food company uses four different manufacturing plants to make a certain kind of
dog food. They want to make sure that each plant produces food with the same
concentration of a certain nutrient. Data is collected on the concentration of the nutrient
in food made by each plant, and the data is analyzed to determine if there are any
differences between the four different plants.
An advertising agency shows three new ads for a product to a focus group and asks the
group to rate how likely they are to buy the product after viewing each ad. The company
wants to know if one ad is more effective than the others.
All of these could be analyzed with a two-way ANOVA
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Question 2
1 pts
Hypothetically, suppose you ran a one-way ANOVA for drug X vs. drug Y vs. drug Z. The
test was nonsignificant. You then run a two way anova for the levels of the drug and
gender. The overall test is significant.
What's one scenario that would give you this result? Feel free to make this concrete with
real/fake drugs and data - I highly suggest you draw it out!
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Question 3
1 pts
What was most interesting or useful for you from the lectures this week?
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Question 4
1 pts
What was most confusing or difficult for you from the lectures this week?
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