# Question: Refer to the information given in Exercise 10 17 Test at

Refer to the information given in Exercise 10.17. Test at a 1% significance level if µ1 is less than µ2.

n1 = 21 1 = 13.97 s1 = 3.78

n2 = 20 2 = 15.55 s1 = 3.26

n1 = 21 1 = 13.97 s1 = 3.78

n2 = 20 2 = 15.55 s1 = 3.26

## Answer to relevant Questions

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