2. Mrs. Forger is determining the relationship between a worker's salary and absentee rate. She divided the salary range into twelve grades or level (1 being the lowest grade, 12 being the highest) and then randomly sampled a group of workers. She determined the salary grade for each worker and the number of days that employee had missed over the last 3 years. Worker Salary Level Absences XY X2 V2 3 35 2 11 14 3 8 20 7 32 39 9 20 -J 8 26 10 17 8 29 10 5 36 11 4 38 Summation Mean a. Draw and interpret the scatter plot. b. Compute and interpret the value of the Pearson's correlation coefficient. c. Test whether the correlation is significant at 5% level of significance. d. What is the expected absentee rate of worker whose salary level is 1? 6