For a test of hypotheses to compare two means, which of the following situations could have independent samples?
A n1 equals n2
B comparing identical twins
C n1 does not equal n2
D comparing female investors to male investors
For a test of hypotheses to compare two means, the following situations could have independent samples:
A. n1 = n2.[ Same number of independent random samples are taken from 2 different populations]
C.n1 does not equal to n2 [ Different number of independent random samples are taken from 2 different populations ]
D.Comparing female investor to male investors.[These are 2 different populations and independent samples are taken
B is not correct, because here samples are dependent. we have to compare one with his identicals twin only. It is paired t , of dependent t.
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