Question: 1 (20 points) Independent random samples are selected from two populations. Below are selected summary statistics. Population Mean Standard Deviation Sample Size 1 2

1 (20 points) Independent random samples are selected from two populations. Below

1 (20 points) Independent random samples are selected from two populations. Below are selected summary statistics. Population Mean Standard Deviation Sample Size 1 2 60 65 10 6.6 35 20 (a) Construct the 95% confidence interval for x-y. (b) Suppose we are testing the following hypothesis: Ho x Y, HA x < y. What is the p-value of the test statistic?

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