問題詳情

9.We have a population that is normally distributed with an unknown variance. A two-tailed hypothesis test wasconducted for the population mean. A random sample of size 22 was selected. After setting the level ofsignificance, a, a student wrongly used

as the critical value and concluded to reject the null hypothesis. If thestudent did not make the mistake, what would be the correct conclusion?
(A)The conclusion stays the same, that is, the null hypothesis should be rejected;
(B)The conclusion is different, that is, the null hypothesis should not be rejected;
(C) There is insufficient information to make a conclusion. In other words, the null hypothesis may or may notbe rejected;
(D) None of the above.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增