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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Business Statistics A First Course
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
7th Edition
9780321998217, 032197901X, 321998219, 978-0321979018
