Complete parts (a) and (b) for the population data below. 7,8,9 Click the icon t

Question

Complete parts (a) and (b) for the population data below. 7,8,9 Click the icon to view a list of the sample means for each of the possible samples. a. Use the sample means to determine the population mean, ¡ of the variable x for each of the possible sample sizes. (Type integers or decimals. Do not round.) b. Use the population mean of x to determine the population mean, of the variable x for each of the possible sample sizes. Sample Means Sample (Type integers or decimals. Do not round.) 9 7,8 7,9 8,9 7, 8,9 7.5 8.5 Print Done

Explanation / Answer

a)
n = 1
sample means = ( 7 + 8 +9)/3 = 8
n = 2
(7.5 + 8 +8.5)/3 = 8
n = 3
mean = 8

b)

similarly for population mean

for each n, mean = 8

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