Question

The recommended amount of water a person should drink is eight 8-oz servings per day.
a. Does the sample of educational professionals in Exercise
8.163 show sufficient evidence that the education professionals consume, on average, significantly less water daily than the recommended amount? Use a = 0.05.
b. The value of the calculated z-score in part a is unusual. In what way is it unusual, and what does that mean?


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  • CreatedAugust 28, 2015
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