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,...

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.

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