Bio-stats Exam Questions
with Complete Solutions
Denning [Date] [Course title]
, The following hypothesis has a well defined population and is testable:
Chicago Cubs fans are more loyal than NY Yankees fans. - Correct Answers True
The following hypothesis has a well defined population and is testable:
Artists from Japan are more creative than artists in England. - Correct Answers False
A researcher wants to determine if the number of hours someone watches TV per day influence the
amount of money they spend on fast food.
Based on the scenario above what is the outcome variable? - Correct Answers Money Spent on Fast
Food
A researcher wants to determine if willingness to play sports is influenced by if someone enjoys playing
video games.
Based on the scenario above what is the exposure variable? - Correct Answers Plays video Games
What study/studies does the researcher control every variable? - Correct Answers Clinical Trial
This is sampling method involves recruiting from multiple homogeneous groups: - Correct Answers
Cluster Sampling
Which study/studies are prospective? - Correct Answers Cohort and Clinical
In this sampling method groups are broken up based on a single trait: - Correct Answers Not Systematic
Sampling
This is the easiest sampling method that prevents bias - Correct Answers Stratified Sampling
This sampling method uses a single group from which everyone is picked with an equal chance: - Correct
Answers Simple Random Sampling
with Complete Solutions
Denning [Date] [Course title]
, The following hypothesis has a well defined population and is testable:
Chicago Cubs fans are more loyal than NY Yankees fans. - Correct Answers True
The following hypothesis has a well defined population and is testable:
Artists from Japan are more creative than artists in England. - Correct Answers False
A researcher wants to determine if the number of hours someone watches TV per day influence the
amount of money they spend on fast food.
Based on the scenario above what is the outcome variable? - Correct Answers Money Spent on Fast
Food
A researcher wants to determine if willingness to play sports is influenced by if someone enjoys playing
video games.
Based on the scenario above what is the exposure variable? - Correct Answers Plays video Games
What study/studies does the researcher control every variable? - Correct Answers Clinical Trial
This is sampling method involves recruiting from multiple homogeneous groups: - Correct Answers
Cluster Sampling
Which study/studies are prospective? - Correct Answers Cohort and Clinical
In this sampling method groups are broken up based on a single trait: - Correct Answers Not Systematic
Sampling
This is the easiest sampling method that prevents bias - Correct Answers Stratified Sampling
This sampling method uses a single group from which everyone is picked with an equal chance: - Correct
Answers Simple Random Sampling
