Multiple Choice
When we test H0: µ1- µ2 0,HA: µ1- µ2> 0, 1 = 15.4,
2 = 14.5, 1 = 2, 2 = 2.28,n1 = 35,n2 = 18 at = .01,the test statistic used is:
A) 1.42
B) 2.10
C) 2.33
D) 21.6
Correct Answer:

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Correct Answer:
Verified
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