SOLUTION: A graphing calculator is recommended. The data in the table below show the distance, in feet, a ball travels for various swing speeds, in miles per hour, of a bat. Bat speed (

Question 1129806: A graphing calculator is recommended.
The data in the table below show the distance, in feet, a ball travels for various swing speeds, in miles per hour, of a bat.
Bat speed (mph) Distance (ft)
40 199
45 217
50 237
60 280
70 298
75 326
80 334
(a) Find the linear regression equation for these data. (Round all numerical values to three decimal places.)
y = ___________
(b) Using the regression model, what is the expected distance a ball will travel when the bat speed is 58 miles per hour? Round to the nearest foot.
___________ft

Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

Sample size:
Sum of
Sum of
Mean =>
Mean =>
Sum of squares
Sum of products
Regression Equation =>

Regression line equation:

(b) Using the regression model, what is the expected distance a ball will travel when the bat speed is miles per hour? Round to the nearest foot.

to the nearest foot: ___________ft

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