Homework Answers
to check if it is different or not we use :
= in null hypothesis
≠ in alternate hypothesis
it is required to check means
symbol for mean = µ
therefore we can say :
H0 : µ1 - µ2 = 0
H1 : µ1 - µ2 ≠ 0
ANSWER : option (a)
(please UPVOTE)
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