An independent sample experiment uses 25 participants in one
group and 30 participants in the second...
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Statistics
An independent sample experiment uses 25 participants in onegroup and 30 participants in the second group to comparethe  two population means. What is the degrees of freedomused in this test ? Â
a.
25
b.
24
c.
30
d.
29
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For testing two population means we have two tests One is usedwhen population standard deviations are known and another is usedwhen population standard deviations are
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