Document1 [Compatibility Mode] - Word Sign in -0 × File Home Insert Draw Design

Question

Document1 [Compatibility Mode] - Word Sign in -0 × File Home Insert Draw Design aoutReferences Mailings Review View Foxit PDFTell me what you want to do Share Consider the population below 2212123021343725 28 38 37 111 26 34 The sample below was drawn from this population. Complete parts a and b below 12 28 37 25 30 38 375 a. Compute the samping error for the sample mean in this situation The sam ping error tor the sample means (Round to two decimal places as needed.) Enter your answer in the answer bax and then click Check Answer Clear All Check Answer Type here to search Part A. Compute the sampling error for the sample mean in this situation Part B Determine the largest sampling error for this sample of n-8 Page 1 ot 1 26 words D 164% O Type here to search 3-53 PM 11/19/2017

Explanation / Answer

a) Population mean = (22+12+12+30+21+34+37+25+28+38+37+12+11+26+34)/15 = 25.2667

Sample Mean = (12+28+37+25+30+12+38+37)/8 = 27.375

Sampling error = 27.375 - 25.2667 = 2.1083

b) Largest sampling mean = (38+37+37+34+34+30+28+26)/8 = 33

Sampling error = 33-25.2667 = 7.7333

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