Question: A computer program has produced the following output for the hypothesis testing problem. Assume equality of variances: Difference in sample means: 2.35 Degrees of freedom:

A computer program has produced the following output for the hypothesis testing problem. Assume equality of variances:

Difference in sample means: 2.35

Degrees of freedom: 18

Standard error of the difference in the sample means: ?

Test Statistic: to = 2.01

P-Value = 0.0298

(a) What is the missing value for the standard error of the difference?

(b) Find a 90% two-sided CI on the difference in the means and conclude.

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