Mathematics, 08.04.2021 18:10, uglybruja81

Marta wants to know if exercise helps people sleep longer. To that end, she asks 64 people to exercise for one hour each evening before going to bed, for a week. Marta knows that people in the general population sleep on average, 7 hours per night with a standard deviation of 1.6. Of Marta's sample sleeps an average of 7.3 hours per night, does exercise help people sleep longer

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Marta wants to know if exercise helps people sleep longer. To that end, she asks 64 people to exerci...