How small must the significance level be in order to reject the null hypothesis?
A) less than .05
B) .05 or less
C) .05 or more
D) more than .05

Name: How small must the significance level be in order to reject the null hypothesis? A) less than .05 B) .05 or less C) .05 or more D) more than .05
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Question

Quizplus · Accepted Answer

The traditional and widely accepted significance level in statistical tests is .05 or less. Therefore, we reject the null hypothesis if the calculated p-value (or probability value) is less than .05.

How Small Must the Significance Level Be in Order to Reject