# Independent random samples from approximately normal populations produced the results shown below. Sample 1 Sample 2 52

## Question:

Independent random samples from approximately normal populations produced the results shown below. Sample 1 Sample 2 52 33 42 44 52 43 47 56 41 50 44 51 62 53 61 50 45 38 37 40 56 52 53 60 44 50 43 50 48 60 55

**a.** Do the data provide sufficient evidence to conclude that 1m2 - m12 7 10? Test using a = .01.

**b.** Construct a 98% confidence interval for 1m2 - m12. Interpret your result.

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**Related Book For**

## Statistics For Business And Economics

**ISBN:** 9781292413396

14th Global Edition

**Authors:** James McClave, P. Benson, Terry Sincich