- 9 6 12 In Exercise 6 5 5 Data Are Given For Horsepower The Time It Takes A Car To Go From 0 To 60 And The Weight In 1 (143.06 KiB) Viewed 25 times
9.6-12. In Exercise 6.5-5, data are given for horsepower, the time it takes a car to go from 0 to 60, and the weight in pounds of a car, for 14 cars. Those data are repeated here: Horsepower 0-60 Weight Horsepower 0-60 Weight 230 225 375 322 190 150 178 8.1 78 4.7 6.6 8.4 8.4 72 3516 3690 2976 4215 3761 2940 2818 282 300 220 250 315 200 300 6.2 6.4 77 70 5.3 6.2 5.5 3627 3892 3377 3625 3230 2657 3518 (a) Let p be the correlation coefficient of horsepower and weight. Test He: p = 0 against H: P+0. (b) Let p be the correlation coefficient of horsepower and **0–60." Test He: p=0 against Hi: p <0. (e) Let p be the correlation coefficient of weight and -0-60." Test Ho: p = 0 against Hip *0.