1. 

1 . A manager of a car dealership believes there is a relationship between the number of salespeople on duty and the number of cars sold . Given the following data for the past 15 weeks : Week Number of cars sold Number of salespeople* B 2 3 4.9 4 4 2.3 2 52 3 B 5 I 50 $ 50 2 4 E 10 TO I 1 1 5. 12 45 E 13 50 5 14 BIE 15