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Suppose That for a Sample of 65 Observations from a Population

Question 29

Multiple Choice

Suppose that for a sample of 65 observations from a population of 500,the sample mean is 25.6 and the sample standard deviation is 2.8.Create a 90% confidence interval for the population mean.


A) 25.6 ± 0.318
B) 25.6 ± 0.415
C) 25.6 ± 0.467
D) 25.6 ± 0.533

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