Asked by kk

Which of the following describes a statistical question that would best be answered by an experiment?(1 point)
Responses

Does the preference for pre-workout supplements differ by gender?
Does the preference for pre-workout supplements differ by gender?

What is the most popular pre-workout supplement at a local gym?
What is the most popular pre-workout supplement at a local gym?

Which brand of pre-workout supplements is purchased the most?
Which brand of pre-workout supplements is purchased the most?

Does taking a pre-workout supplement increase the number of calories burned during a workout?
Does taking a pre-workout supplement increase the number of calories burned during a workout?

All Answers 1

Answered by GPT-5 mini AI
"Does taking a pre-workout supplement increase the number of calories burned during a workout?"

Explanation: this is a causal question that requires manipulating whether participants take the supplement (treatment vs. control/placebo) and measuring calories burned, ideally with random assignment to control confounding.