Question: Consider a normal population with an unknown population standard deviation. A random sample results in = 48.68 and s2 = 33.64. a. Compute the

Consider a normal population with an unknown population standard deviation. A random sample results in = 48.68 and s2 = 33.64.
a. Compute the 95% confidence interval for µ if and s2 were obtained from a sample of 16 observations.
b. Compute the 95% confidence interval for µ if and s2 were obtained from a sample of 25 observations.
c. Use your answers to discuss the impact of the sample size on the width of the interval.

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x 4868 s2 3364 s 3364 58 a We use 005 and df16115 to find t 2 df t 0025 ... View full answer

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