A researcher studying the effect of a dietary supplement on sleep finds that research participants who take the supplement sleep an average of 7 hours and 25 minutes per night,while participants who were given a placebo pill with no active ingredients in it sleep for an average of 7 hours and 20 minutes.These findings are likely

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The Answer of A researcher studying the effect of a dietary supplement on sleep finds that research participants who take the supplement sleep an average of 7 hours and 25 minutes per night,while participants who were given a placebo pill with no active ingredients in it sleep for an average of 7 hours and 20 minutes.These findings are likely

A Researcher Studying the Effect of a Dietary Supplement on Sleep