4. A clinical psychology program has two training tracks; Behavioral Therapy and Psychoanalysis. First-year graduate students are randomly assigned to these tracks. A professor wonders if there is a difference between the tracks in how well students learn basic interviewing skills, After one year of training, the professor ranks all the students as to how well they demonstrate fundamental interviewing techniques. For the following data set, perform the appropriate nonparametric test, Higher ranks Indicate better interviewing skills. State the null and alternative hypotheses. Compute the appropriate test statistic. Use a = 05 to see if the null hypothesis can be rejected (two talled). Interpret the findings. Behavioral Therapy Psychoanalysis 12 10 92 113 BI 15 76