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Propose a possible research question and hypothesis that would allow you to use a paired samples...

Propose a possible research question and hypothesis that would allow you to use a paired samples t-test to test the difference in outcomes.

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Answer #1

Possible research question: Does a "protein only" diet help reduce weight?

Hypothesis: If people are subject are subjected to a "protein only" diet, then weight of people will decrease.
Hence, H0 : difference of weights, = 0 (null hypothesis), H1 : difference in weights, > 0 (alternative hypothesis).
Here, = weight before "protein only" diet - weight after "protein only" diet.

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