Question: Refer to the information given in Exercise 10.3. Test at a 5% significance level if the two population means are different. n1 = 18 1

Refer to the information given in Exercise 10.3. Test at a 5% significance level if the two population means are different.
n1 = 18 1 = 7.82 σ1 = 2.35
n2 = 15 2 = 5.99 σ1 = 3.17

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