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Bob has randomly selected ten observations (n = 10) and gets 32, 16, 10, 18, 15, 22, 17, 29, 40, 27 Help Bob to determine

Bob has randomly selected ten observations (n = 10) and gets

32, 16, 10, 18, 15, 22, 17, 29, 40, 27

Help Bob to determine the following values:

(a)The expected value of the sample mean. (Round to two (2) decimal places.)

(1 mark)

(b)The variance of the sample mean. (Round to two (2) decimal places.)

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