the Power of Data, 2e Help I Chapter 4, Section 1, Exercise 012 State the null a

Question

the Power of Data, 2e Help I Chapter 4, Section 1, Exercise 012 State the null and alternative hypotheses for the situation described below for a statistical test. Testing to see if average sales are higher in stores where customers are approached by salespeople than in stores where they aren't. Let group 1 be the group of stores where customers are approached by salespeople and let group 2 be the group of stores where customers are not approached by salespeople. Ho 0 vs H. By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor Question Attempts: O of 5 used SAVE FOR LATER 1019 AM

Explanation / Answer

1)
H0: x1bar = x2bar
H1: x1bar > x2bar

2) Option (C)
Yes, the analysis does involve a stastical test. The hypotheses are
H0: mu(R) = mu(L)
H1: mu(R) < mu(L)

3)
Yes, the analysis does involve a statistical test. The hypotheses are
H0: p = 0.06
H1: p > 0.06

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