a Suppose you want to determine whether the average values
a. Suppose you want to determine whether the average values for populations 1 and 2 are different, and you randomly gather the following data.


Test your conjecture, using a probability of committing a Type I error of .01. Assume the population variances are the same and x is normally distributed in the populations.
b. Use these data to construct a 98% confidence interval for the difference in the two populationmeans.
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