Multiple Choice
In testing for differences between the means of two independent populations,the null hypothesis is:
A) H0 : 1 - 2 = 2.
B) H0 : ?1 - ?2 = 0.
C) H0 : ?1 - ?2 > 0.
D) H0 : ?1 - ?2 < 2.
Correct Answer:

Verified
Correct Answer:
Verified
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