3. True or False: Suppose your agency has been evaluating an intervention using a one-group pretest-posttest design with 200 participants and a dichotomous dependent variable, the Mann-Whitney U test would be appropriate for testing the null hypothesis of no intervention effect (i.e., no change from before to after the intervention)?

4. Suppose your boss gives you a dataset and asks you to run descriptive statistics on the variables X1 and X5, and frequencies on the variables X2, X3, X4, and X6. Write out the complete SPSS syntax you would use to accomplish this task.

5. Suppose you have obtained from SPSS the correlation matrix in Appendix 1. According to the information in this matrix, which two variables exhibit the strongest linear relationship?

Screen Shot 2022-06-11 at 12. X + C @ File | /var/folders/q7/14xIm4nj1gx9f8183qx19gpc000Ogn/T/TemporaryItems/(A%20Document%20Being%20Saved%20By%20screencaptureui%202)/Screen%2... ( Appendix 1. SPSS Output for Question 5. X1 X2 X3 X1 Pearson Correlation 303** 183* Sig. (2-tailed) 000 000 N 500 500 500 X2 Pearson Correlation 303* -.441** Sig. (2-tailed) 000 032 N 500 500 500 X3 Pearson Correlation 183* -.441** 1 Sig. (2-tailed) 000 .032 N 500 500 500 ** Correlation is significant at the .01 level (2-tailed). * Correlation is significant at the .05 level (2-tailed)