An engineer wanted to determine how the weight of a car affects gas mileage. The following date represent the weights of various cars and their gas mileages. Complete a-d. Car Weight (pounds) Miles per Gallon A 2690 26 B 3580 19 C 2655 26 D 3340 21 E 3590 18 (a) Determine which variable is the eplanatory variable and which is the response variable. 0 The explanatory variable is the weight and the response variable is the miles per gallon. 0 The explanatory variable is the miles per gallon and the response variable is the weight. (b) Draw a scatter diagram of the data . (c) Compute the linear correlation coefficient between the weight of a car and its miles per gallon. r=
An engineer wanted to determine how the weight of a car affects gas mileage. The following date represent the weights of various cars and their gas mileages. Complete a-d.
Car Weight (pounds) Miles per Gallon
A 2690 26
B 3580 19
C 2655 26
D 3340 21
E 3590 18
(a) Determine which variable is the eplanatory variable and which is the response variable.
0 The explanatory variable is the weight and the response variable is the miles per gallon.
0 The explanatory variable is the miles per gallon and the response variable is the weight.
(b) Draw a
(c) Compute the
r=
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