The sales of a grocery store had an average of $8,000 per day. The store introdu

Q: The sales of a grocery store had an average of $8,000 per day. The store introdu

H1 : m > 8000 Because alternative hypothesis is the information we are testing. In this case it is, if sales are more than 8000 or not.

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Question

The sales of a grocery store had an average of $8,000 per day. The store introduced several advertising campaigns in order to increase sales. To determine whether or not the advertising campaigns have been effective in increasing sales, a sample of 64 days of sales was selected. It was found that the average was $8,300 per day. From past information, it is known that the standard deviation of the population is $1,200.

The correct alternative hypothesis for this problem is

m = 8000

m > 8250

m < 8000

m > 8000

m = 8000

m > 8250

m < 8000

m > 8000

Explanation / Answer

H1 : m > 8000

Because alternative hypothesis is the information we are testing. In this case it is, if sales are more than 8000 or not.

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The sales of a grocery store had an average of $8,000 per day. The store introdu

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The sales of a grocery store had an average of $8,000 per day. The store introdu

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