Unit 003 Review of Material that has been covered There are two parts to each question...

Unit 003 Review of Material that has been covered

There are two parts to each question . Part 1 just give the null hypothesis, alternative hypothesis and test statistic formula. for part 1 don't work it out just write the formula.

Part 2-This is where you work all five steps. Show all work.

#5

A randomly selected list of holiday food items was generated. Thirty King Kong stores were surveyed as to what the cost of the list of items would cost. The mean and standard deviation is recorded in the table below. Fifty Saves Alot stores were surveyed in a similar manner and the mean and the standard deviation was recorded below. Test whether the King Kong mean amount spent is less than the Saves Alot amount spent. a = 0.01.

store name	Sample size	Mean amount spent	s
King Kong	30	$75	10
Saves Alot	50	$89	20

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