Question: Consider a normal population with an unknown population standard deviation. A random sample results in and s2 = 33.64. a. Compute a 95% confidence interval

Consider a normal population with an unknown population standard deviation. A random sample results in and s2 = 33.64.

a. Compute a 95% confidence interval for μ if and s2 were obtained from a sample of 16 observations,

b. Compute a 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.

 P-69

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