a The data below gives the project completed time in hours by 8 IUB students who participated training in hours. No. of students: 1 2 3 4 5 6 7 8 Training time (x): 22 18 30 16 25 20 10 14 Project completing time (y): 18.4 19.2 14.2 19.0 16.6 17.7 24.4 21.0 (a) Fit the model and interpret the parameters. (b) If a student receive 27 hours training (x) then predict or forecast the project completing time (y)