Claire knows the z score for her research hypothesis is -2.05, and her critical values are -1.96 and 1.96 for a p value of 0.05.What should she conclude about her hypothesis given these statistics?
A) She should reject the null hypothesis and report the direction of the effect because the score is in a critical region (below -1.96).
B) She should reject the null hypothesis but not report the direction of the effect because she doesn't have enough information.
C) She should fail to reject the null hypothesis because the score is not in a critical region (above 1.96 or below -1.96).
D) She should fail to reject the null hypothesis because she doesn't have enough information.

Question

Quizplus · Accepted Answer

Claire's z score falls in the critical region for a p value of 0.05, indicating that it is unlikely to occur by chance. Therefore, she should reject the null hypothesis and report the direction of the effect.

Claire Knows the Z Score for Her Research Hypothesis Is