Which of the Following Statements Is True About One-Tailed Tests

question 20

Multiple Choice

Which of the following statements is true about one-tailed tests of significance?

• A)The critical region is at both ends of the theoretical sampling distribution.
• B)They increase the chances of reaching the critical region if the results are in the predicted direction
• C)They are used mainly with very large samples.
• D)They require greater between-group differences in order to reach the critical region.

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