Use Excel or a calculator to complete parts (a) to (f) for the following data. (a) Determine
Question:
Use Excel or a calculator to complete parts (a) to (f) for the following data.
(a) Determine the equation of the least squares regression line to predict y using x.
(b) Obtain the predicted values of y and the residuals.
(c) Find the value of se and interpret it with respect to the regression assumptions.
(d) Find the value of r2.
(e) Test the slope of the regression line. Use ???? =0.05.
(f) Comment on the results determined in parts (b) to (e) and make a statement about the fit of the line.
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a Y 478 125 X b Observation Predicted Y Residuals ...View the full answer
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