Question: A social skills training program was implemented with seven mildly challenged students in a study to determine whether the program caused improvement in pre/post measures

A social skills training program was implemented with seven mildly challenged students in a study to determine whether the program caused improvement in pre/post measures and behavior ratings. For one such test, the pre- and posttest scores for the seven students are given in the table.9

a. What type of correlation, if any, do you expect to see between the pre- and posttest scores? Plot the data. Does the correlation appear to be positive or negative?
b. Calculate the correlation coefficient, r. Is there a significant positive correlation?

Earl Ned Jasper Charlie Tom Susie Subject Pretest Posttest 101 89 112 105 90 91 89 113 89 121 104

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