When should a one-tailed test be used? A two-tailed test? A. A one tailed test i

Question

When should a one-tailed test be used? A two-tailed test? A. A one tailed test is used when the null hypothesis should be rejected if the test value is in the critical region on either side of the mean. A two-tailed test is used when the null hypothesis should be rejected if the test value is in the critical region on one side of the mean. B. A one-tailed test is used when the null hypothesis should be rejected if the test value is in the critical region on one side of the mean. A two-tailed test is used when the null hypothesis should be rejected if the test value is in the critical region on either side of the mean. C. A one-tailed test is used when the alternative hypothesis should be rejected if the test value is in the critical region on either side of the mean. A two-tailed test is used when the null hypothesis should be rejected if the test value is in the critical region on one side of the mean. D. A one-tailed test is used when the alternative hypothesis should

Explanation / Answer

As per the definition of one-tailed and two-tailed test, the correct answer is option B.

(B) A one-tailed test is used when the null hypothesis is rejected i the test value is in the critical region on one side of the men. A two-tailed test is used when the null hypothesis is rejected if the test value is in the critical region on either side of the mean.

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