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

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

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?

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

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

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 asks about a causal effect of a treatment (taking the supplement) and is best answered by an experiment (e.g., randomized controlled trial) to control confounding factors.