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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The Answer of 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

Suppose That for a Sample of 65 Observations from a Population