MATH Hosted by ALEKS Corp Section 8.1 Previous1 2 3 4 5 678 Next Question 4 of 8

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MATH Hosted by ALEKS Corp Section 8.1 Previous1 2 3 4 5 678 Next Question 4 of 8 (1 point) 8.1 Section Exercise 9, When should a one-tailed test be used? A two-tailed test? O 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. O B. A one tailed test is used when the alternative 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 alternative hypothesis should be rejected if the test value is in the eritical region on either side of the mean. O C. 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. D. A one-tailed test is used when the alternative hypothesis should be rejected if the test O 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.

Explanation / Answer

Answer is " C "

C. 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 eiteither side of the mean

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