7 of 8 (0 complete) v standard deviation is a) What is the standard error of the

Question

7 of 8 (0 complete) v standard deviation is a) What is the standard error of the mean? b) How would the standard error change if the sample size had been 2 instead of 18? (Assume that the sample standarddeiaton dhtchange) a The standard error of the mean is (Round to two decimal places as needed) Select the comect choice beiw and sinayansweraanes aisi b) How would the standard error change if the sample size was 2 instead of 18 with the same sample standard deviaton? O A. The standard error would increase. The new standard error would be times the old emor divided by O B. The standard error would decrease The new emo would the standard standard be old O C. The standard error would not change cuck to your answer(s) select

Explanation / Answer

Params are given in Qn:

Mean = 48.64

Stdev = 22.71

a. Standard error = Stdev/sqrt(n) = 22.71/sqrt(18) = 5.35

b. If it were 2, then A. is right. it will increase. The new standard error would be 3 tomes the old

New Standard error = Stdev/sqrt(2) = 16.05

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