Q1055
For testing of hypothesis H0 : M1 = M2 and H1 : M1 < M2, the critical value of Z at 5% level of significance when size of sample is more than 30 is
A.
1.96
B.
2.32
C.
1.645
AnswerD.
2.5758
Answer: Option C
Solution
Answer: Option C
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