Females and males from the general adult population volunteer an average of 4.2 hours per week. A random sample of 21 female college students and 22 male college students and the hours they volunteer per week is given in the table below. At the 0.05 significance level, is there sufficient evidence to conclude that a difference exists between the mean number of volunteer hours per week for male and female college students?                                                       Male     Female Sample Mean                                 2.7          3.9 Sample Standard Deviation          1.48         1.87 Sample Size                                    22           21  What is the test statistic for this test? What is the critical value for this test? What is the p-value for this test? What is the decision for this test?

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Females and males from the general adult population volunteer an average of 4.2 hours per week. A random sample of 21 female college students and 22 male college students and the hours they volunteer per week is given in the table below. At the 0.05 significance level, is there sufficient evidence to conclude that a difference exists between the mean number of volunteer hours per week for male and female college students? 

                                                     Male     Female

Sample Mean                                 2.7          3.9

Sample Standard Deviation          1.48         1.87

Sample Size                                    22           21 

What is the test statistic for this test?

What is the critical value for this test?

What is the p-value for this test?

What is the decision for this test?

 

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