Part VI: Hypothesis testing You are interested in how participating in group tutoring impacts performance on a criminological theory exam. You hypothesize that there will be a difference between students' scores before they participated in tutoring and their scores after tutoring. (16 points total) Mean N Std. Deviation Std. Error Mean Exam Before 75.6111 18 14.41461) 3.39756 Pair 1 Exam After 80.3889 18 12.33426 2.90721 Paired Differences t df Sig. (2-tailed) Mean Std. Deviation Std. Error Mean 99% Confidence Interval of the Difference Lower Upper Pair 1 ExamBefore - ExamAfter 4.7778 2.08035 0.49035 10.04609 49054 -9.744 17 018 How many total people are in the sample? (2 points) For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt A V E E Xz Xz + RBC V X EXE 7 (#) (?)