For the following situation, determine whether a one- or two-tailed test is appr

Question

For the following situation, determine whether a one- or two-tailed test is appropriate. Also, identify the research and null hypotheses.

Is there a difference in the amount of study time on-campus and off-campus students devote to their schoolwork during the average week? You prepare a survey to determine the average number of study hours for each group of student.

one-tailed test; 12; null hypothesis, 1=2

two-tailed test; 12; null hypothesis, 1=2

one-tailed test; 1=2; null hypothesis, 12

two-tailed test; 1=2; null hypothesis, 12

one-tailed test; 12; null hypothesis, 1=2

two-tailed test; 12; null hypothesis, 1=2

one-tailed test; 1=2; null hypothesis, 12

two-tailed test; 1=2; null hypothesis, 12

Explanation / Answer

Since research question is non directional, its two tailed test. The correct option is:

two-tailed test; 12; null hypothesis, 1=2

two-tailed test; 12; null hypothesis, 1=2

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