The data below gives the petrol consumption figures of cars, with the same engine size when driven at different speeds: SPEED X in mph PETROL CONSUMPTION 30 38 62 25 40 35 80 20 70 26 55 34 75 22 a. Find the equation of the best fit line. b. Determine the coefficient of correlation and interpret. c. Estimate the petrol consumption if the speed of the car is 45 mph.
The data below gives the petrol consumption figures of cars, with the same engine size when driven at different speeds: SPEED X in mph PETROL CONSUMPTION 30 38 62 25 40 35 80 20 70 26 55 34 75 22 a. Find the equation of the best fit line. b. Determine the coefficient of correlation and interpret. c. Estimate the petrol consumption if the speed of the car is 45 mph.
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Please answer a,b,c

Transcribed Image Text:The data below gives the petrol consumption figures of cars,
with the same engine size when driven at different speeds:
SPEED X in mph PETROL CONSUMPTION
30
38
62
25
40
35
80
20
70
26
55
34
75
22
a. Find the equation of the best fit line.
b. Determine the coefficient of correlation and interpret.
c. Estimate the petrol consumption if the speed of the car
is 45 mph.
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