For a one-tailed test (upper tail) with a sample size of 900, the null hypothesis will be rejected at the .05 level of significance if the test statistic is _____.
A) less than or equal to -1.645
B) greater than or equal to 1.645
C) less than 1.645
D) less than -1.96

Question

Quizplus · Accepted Answer

For a one-tailed test at the .05 level of significance, the critical value is 1.645 for an upper tail. If the test statistic is greater than or equal to this critical value, the null hypothesis will be rejected.

For a One-Tailed Test (Upper Tail) with a Sample Size