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For a Sample of 145 Observations from a Population of 744,the

Question 4

Multiple Choice

For a sample of 145 observations from a population of 744,the sample mean is 22.6 and the sample standard deviation is 3.8.Create a 90% confidence interval for the population mean.


A) 22.6 ± 0.113
B) 22.6 ± 1.328
C) 22.6 ± 0.894
D) 22.6 ± 0.466

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