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  3. a national grocer’s magazine reports the typical

A national grocer’s magazine reports the typical shopper spends 10 minutes in line waiting to check...

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Basic Math

A national grocer’s magazine reports the typical shopper spends10 minutes in line waiting to check out. A sample of 20 shoppers atthe local Farmer Jack’s showed a mean of 9.6 minutes with astandard deviation of 3.7 minutes. Is the waiting time at the localFarmer Jack’s less than that reported in the national magazine? Usethe 0.025 significance level. What is the decision rule? (Negativeamount should be indicated by a minus sign. Round your answer to 3decimal places.) Compute the value of the test statistic. (Negativeamount should be indicated by a minus sign. Round your answer to 2decimal places.) What is your decision regarding H0? Reject H0 Donot reject H0

Answer & Explanation Solved by verified expert
3.8 Ratings (627 Votes)
Solution 10 96s 37n 20This is the left tailed test The null and alternative hypothesis    See Answer
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