6. Calculate a Pearson's R for the following data. 10 pts Patient Exercise Hours in Previous Month Center for Epidemiologic Studies Depression Scale (CES-D) 20 45 2 21 3 30 40 40 5 2 20 37 6 8 10 9 10 O 10 11 10 N O 12 28 13 26 42 14 41 15 2 14 16 41 44 17 30 10 18 26 21 19 11 39 20 7. Explain the meaning of the correlation coefficient that you calculated. 5pts 8. Construct a pie graph with the following data. Provide a chart title and data labels. 5pts Class Standing Frequency 100 Freshman 7 Sophomore 84 Junior Senior 77