Which of the following are one-tailed tests?
D)Both A and C

Name: Which of the following are one-tailed tests? D)Both A and C
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One-tailed tests are tests of statistical significance in which the region of rejection is placed entirely in one tail of the sampling distribution. Both A and C are one-tailed tests as they specify the direction of the expected difference between sample means. B is a two-tailed test as it does not specify the direction of the expected difference between sample means.

Which of the Following Are One-Tailed Tests