MS Mod 7: Two-Sample t Test and Confidence Interval – homework assignment


MS Mod 7: Two-Sample t Test and Confidence Interval – homework...

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MS Module 7: Two-Sample t Test and Confidence Interval – homework assignment

(The attached PDF file has better formatting.)

Homework assignment:

Solve end of chapter problem 29(b) on page 495 (1st ed) / page 507 (2nd ed), showing all work. The numerical answers are in the appendix to the textbook; for the homework assignment, show how the answer is derived. The sample sizes are small and the standard deviations are not known; show how to compute the degrees of freedom and the confidence interval.


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