Q190
While testing the significance of the difference of two sample means in case of small samples. The degree of freedom is calculated by
A.
v = n1 + n2
B.
v = n1 + n2 - 2
AnswerC.
v = n1 - n2
D.
v = n1 + n2 - 1
Answer: Option B
Solution
Answer: Option B
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