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Ad libitum [116K]
3 years ago
15

The following sample of bivariate (x, y) data concerning the speed of a car (in miles per hour; MPH) and the corresponding fuel

economy (in miles per gallon; MPG). Use this data to answer the following:
Speed (MPH)

30

40

50

60

70

Fuel Economy (MPG)

31

31

33

32

27



Calculate the correlation coefficient (r) and the line of best fit (y) for the given data set.

What is the best predicted fuel economy (MPG) for the given speed of 55 miles per hour? Show all work to receive credit and provide your reasoning.

Based on the sample data, is it appropriate to predict the fuel economy (MPG) for a given speed of 20 miles per hour? Explain your reasoning.
Mathematics
1 answer:
Licemer1 [7]3 years ago
8 0

Answer:

For the answer to the question above, the answer to this question is the last one among the given choices which is D. 0.18 mpg/mph

Simply because  

(34.8 - 33)  

(50-400)

1.8 / 10

Step-by-step explanation:

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