SOLUTION: A linear model for a set of data was y= -20.6 + 9.72x and produced the following residual plot: [Xscl=1, Yscl=5] a) Predict the value of y when x= 7.5. b) Determine the resid

Question 806849: A linear model for a set of data was y= -20.6 + 9.72x and produced the following residual plot: [Xscl=1, Yscl=5]
a) Predict the value of y when x= 7.5.
b) Determine the residual if x= 5.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A linear model for a set of data was y= -20.6 + 9.72x and produced the following residual plot: [Xscl=1, Yscl=5]
a) Predict the value of y when x= 7.5.
f(7.5) = -20.6 + 9.72*7.5 = 52.3
Note: That is the predicted value for y when x = 7.5
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b) Determine the residual if x= 5.
Need to know the predicted value f(5) and the actual point (5,?)
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Cheers,
Stan H.
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