Question: Independent random samples selected from two normal populations produced the sample means and standard deviations shown below. a. Conduct the test H0: (µ2 - µ1)

Independent random samples selected from two normal populations produced the sample means and standard deviations shown below.
Independent random samples selected from two normal populations produced the

a. Conduct the test H0: (µ2 - µ1) = 0 against Ha: (µ2 - µ1) ‰  0. Interpret the results.
b. Estimate (µ2 - µ1) using a 95% confidence interval.

Sample 1 Sample2 ni = 17 x 5.4 n, = 12 =7.9 0 si = 3.4 s, = 4.8

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