8. टी-परीक्षण का सूत्र है-
(A) CR=M/SEd
(B) CR=N/SED
(C) CR=SD/Sed
(D) CR=DD/SEd
Answers
Answered by
16
Answer:
b is your ans
hope it helps you
Answered by
1
Answer:
option b is the answer
Explanation:
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