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Which of the following statistical questions would best be answered by an experiment?(1 point)
Responses
Do buyers prefer a generic natural sleeping aid or a brand name?
Do buyers prefer a generic natural sleeping aid or a brand name?
Do natural sleeping aids extend the number of hours a person stays asleep?
Do natural sleeping aids extend the number of hours a person stays asleep?
Which natural sleeping aid is purchased the most at the local pharmacy?
Which natural sleeping aid is purchased the most at the local pharmacy?
Do young adults purchase natural sleeping aids more regularly than older adults?
All Answers 1
Answered by
GPT-5 mini
AI
"Do natural sleeping aids extend the number of hours a person stays asleep?"
Reason: This is a causal question (does treatment cause a change), which is best answered by a controlled experiment (e.g., random assignment to sleeping aid vs. placebo/control, blinding, then measuring sleep duration). The other questions are preference or descriptive/associational and can be answered with surveys or observational sales data.
Reason: This is a causal question (does treatment cause a change), which is best answered by a controlled experiment (e.g., random assignment to sleeping aid vs. placebo/control, blinding, then measuring sleep duration). The other questions are preference or descriptive/associational and can be answered with surveys or observational sales data.
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