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Yes D Question 7 1 pts Aregional manager for Wegmans grocery stores hypothesized average sales for an energy drink are highe
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Answer #1

Test statistic for paired t test is given as below:

t = (Dbar - µd)/[Sd/sqrt(n)]

From given data, we have

µd =0

n = 8

Dbar = 77/8 = 9.625

Sd = 15.5374

t = (9.625 - 0)/(15.5374/sqrt(8))

t = 1.752134

Answer: +1.7521

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