1. Correlation and Regression X 1 3 4 6 8 9 11 14 y 1 2 4 4 5 7 8 9 a. Determine r. b. Formulate regression model. c. Predict y if x =16. 2. Analysis of Variance Data below are the number of minutes that patients had to wait for their appointment with 5 doctors. DOCTORS A B C D E 21 9 18 9 29 20 11 17 11 30 21 15 16 28 24 30 12 15 30 26 28 18 20 15 25 Use F -test at 0.05 level of significance to test the null hypothesis that the means of the populations that are sampled are equal.|