Question 1105407: Judge the following statements as true or false (justify your answer).
a) When the value of the statistic observed in the sample is in the critical region, the null hypothesis must be accepted.
b) The larger the sample size, the smaller the variance of X (x-bar)
c) When performing a test for the mean with known variance the chi-square distribution must be used.
d) When the p-value of the statistic observed in the sample is greater than the level of significance (α) adopted, one must accept Ho.
Answer by Boreal(15235)   (Show Source):
You can put this solution on YOUR website! a. FALSE. Reject in critical region.
b. TRUE; the variance is s/sqrt(n)
c. FALSE, the z-test.
d. I'd prefer to say one fails to reject Ho, but given the scope of the question, TRUE would be answered.
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