NO.PZ2018062016000123
问题如下：
Which of the following statements about one-side hypothesis test is most correct ?
选项：
A.We reject the null only if the evidence indicates that the population parameter is smaller or larger than the critical value.
B.Do not have Type I error.
C.We reject the null only if the evidence indicates that the test statistic is greater than or less than the critical value.
解释：
C is correct. By definition, one-side hypothesis test also called one-tailed hypothesis test, which reject rule is reject the null only if the evidence indicates that the test statistic is greater than or less than the critical value.
RT
