The weight of a car can influence the mileage that the car can obtain. A random sample of 19 cars was taken and the weight (in pounds) and mileage (in mpg) were recorded and are in the table below.X, weightY, mileage225038.9450017400023.1450019.5350031.3350031.3350032.6400023.4450017.2350028550013.2350028225041.1250040.9225053.3400023.6300031.4275046.9300031.5a) The symbol and value of the correlation coefficient are as follows: Round final answer to 2 decimal places. Select an answer r R² ρ ŷ y p̂ X̄ p μ σ s = Interpret this value:There is a strong Select an answer positive negative Select an answer linear quadratic bell-shaped uniform relation between weight and mileage for cars.b) The symbol and value of the coefficient of determination are as follows: Round final answer to 2 decimal places. Select an answer r r² ρ ŷ y p̂ X̄ p μ σ = Interpret this value:About % of the Select an answer mean mileage variation in mileage mean weight variation in weight Select an answer can be cannot be explained by the linear model on weight

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Description: The weight of a car can influence the mileage that the car can obtain. A random sample of 19 cars was taken and the weight (in pounds) and mileage (in mpg) were recorded and are in the table below.X, weightY, mileage225038.9450017400023.1450019.53500

There are two variables which are Weight and Mileage. Weight is the independent variable. Mileage is…

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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The weight of a car can influence the mileage that the car can obtain. A random sample of 19 cars was taken and the weight (in pounds) and mileage (in mpg) were recorded and are in the table below.

X, weight	Y, mileage
2250	38.9
4500	17
4000	23.1
4500	19.5
3500	31.3
3500	31.3
3500	32.6
4000	23.4
4500	17.2
3500	28
5500	13.2
3500	28
2250	41.1
2500	40.9
2250	53.3
4000	23.6
3000	31.4
2750	46.9
3000	31.5

a) The symbol and value of the correlation coefficient are as follows:

Round final answer to 2 decimal places.

Select an answer r R² ρ ŷ y p̂ X̄ p μ σ s =

Interpret this value:

There is a strong Select an answer positive negative Select an answer linear quadratic bell-shaped uniform relation between weight and mileage for cars.

b) The symbol and value of the coefficient of determination are as follows:

Round final answer to 2 decimal places.

Select an answer r r² ρ ŷ y p̂ X̄ p μ σ =

Interpret this value:

About % of the Select an answer mean mileage variation in mileage mean weight variation in weight Select an answer can be cannot be explained by the linear model on weight

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