Question

Consider the following competing hypotheses and accompanying sample data drawn independently from normally distributed populations.
H0: µ1 - µ2 ≤ 0
HA: µ1 - µ2 > 0
1 = 249 2 = 272
s1 = 35 s2 = 23
n1 = 10 n2 = 10
a. Implement the test at the 5% level under the assumption that the population variances are unknown but equal.
b. Implement the test at the 5% level under the assumption that the population variances are unknown and are not equal.



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  • CreatedJanuary 28, 2015
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