Ignore all my writing

Show all work for full credit! Y exam. Just please outline the steps that you used to arrive at the answer. 1. An engineer wanted to determine how the weight of a car affects gas mileage. The following data represent the weights of various domestic cars and their gas mileages in the city for the 2015 model year. Cal . r = 0 . 70 8 , A = - 0.0047; 6= 37.3291 Car Weight (lb) Miles per Gallon a. (3 pts) Compute the linear correlation coefficient between the weight of a car and its Buick Lacrosse 4724 17 miles per gallon in the city. Cadillac XTS 4006 18 Chevrolet Cruze 3097 R= 0. 708 22 show cale steps Chevrolet Impala 3555 19 Chrysler 300 4029 19 So Ican 3934 19 0. 842 give Dodge Charger o partial AddIT Dodge Dart 3242 24 b. (3 pts) Does a linear relation exist between the weight of a car and its miles per gallon in Ford Focus 2960 26 the city? Justify your answer. Ford Mustang 3530 19 yes! r= 0- 708 2 0:576 0.637 Lincoln MKZ 3823 18 41 c. (3 pts) If a car weighs 3000 lb, predict its miles per gallon using the regression line. (Round final answer to nearest whole number) Y=-0.0647 ( 3000 ) +37. 3241 + 2.5 = 23. 2291 / 2316? Impg Page 1 of 5