Which of the following pairs of hypotheses are used to test if the mean of the first population is smaller than the mean of the second population,using independent random sampling?
A) H0: µD ≤0,HA: µD >0
B) H0: µD ≥0,HA: µD <0
C) H0: µ1- µ2 ≤ 0,HA: µ1- µ2 > 0
D) H0: µ1- µ2 ≥ 0,HA: µ1- µ2 < 0
Correct Answer:
Verified
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