# Students in a business statistics course performed an experiment to test the strength of four brands of

## Question:

a. At the 0.05 level of significance, is there evidence of a difference in the median strength of the four brands of trash bags?

b. Compare the results in (a) to those in Problem 11.8 (a) on page 401.

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**Related Book For**

## Statistics For Managers Using Microsoft Excel

**ISBN:** 9780133130805

7th Edition

**Authors:** David M. Levine, David F. Stephan, Kathryn A. Szabat