Question

A study of the number of business lunches that executives in the insurance and banking industries claim as deductible expenses per month was based on random samples and yielded the following results:
n1 = 40 x1 = 9.1 s1 = 1.9
n2 = 50 x2 = 8.0 s2 = 2.1
Use the four steps on page 354 and the 0.05 level of significance to test the null hypothesis µ1 – µ2 = 0 against the alternative hypothesis µ1 – µ2 ≠ 0.


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  • CreatedNovember 04, 2015
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