Multiple Choice
When we test H0: 1 2,HA: 1 > 2at = .10,where 1 = 77.4,
2 = 72.2,s1 = 3.3,s2 = 2.1,n1 = 6,n2= 6,what is the estimated pooled variance?
A) 2.77
B) 6.38
C) 2.52
D) 7.65
Correct Answer:

Verified
Correct Answer:
Verified
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