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There are 2 full boxes of numbered tickets. The numbers in box A have a mean...

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Statistics

There are 2 full boxes of numbered tickets. The numbers in box Ahave a mean = 10 and a standard deviation = 5. For box B,mean=10,SD= 9.

A) If you draw 64 numbers (with replacement) from box A, youexpect the SUM to be about _____. give or take about ______. (Showyour work)

B) If you draw 100 numbers (with replacement) from box B, youexpect the MEAN to be about___, give or take about ____. (Show yourwork.)

C) If you average 25 numbers from box A, and you average 64numbers from box B, which do you expect to be closer to 10 ?Explain.

Answer & Explanation Solved by verified expert
3.8 Ratings (742 Votes)
Theory In sampling with replacement the mean of all sample meansequals the mean of the populationWhen sampling with replacement the standard deviation of allsample means equals the standard deviation of the populationdivided by the square root of the    See Answer
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