For the data below construct a 95% confidence interval for the population mean.53.4 51.6 48.0 49.8 52.8 51.8 48.8 43.4 48.2 51.8 54.6 53.8 54.6 49.6 47.2

The 95% confidence interval is given below:

Where:

is the sample mean

is the critical value at 0.05 significance level for df = n-1 = 15 - 1 =14

is the sample standard deviation

Therefore, the 95% confidence interval for the population mean is (48.88, 52.38)

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step-by-step explanation:

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