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Degree of Sociability in Students of Different Colleges

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Do students at various colleges differ in how sociable they are? Twenty-five students were randomly selected from each of three colleges in a particular region and were asked to report on the amount of time they spent socializing each day with other students. The results for College X was a mean of 5 hours and an estimated population variance of 2 hours; for College Y, M = 4, S2 = 1.5; and for College Z, M = 6, S2 = 2.5. What should you conclude? Use the .05 level. (a) Use the steps of hypothesis testing, (b) figure the effect size for the study.

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Solution Summary

This solution uses the five-step hypothesis testing process by presenting the null and alternative hypothesis, calculating the f-statistic to compare to the p-value. A decision is then made to accept or reject the null hypothesis.

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