Using an interval, predict the particular value of the
dependent variable for a selected value of the independent
variable. Interpret this interval.
What can be said about the value of the dependent variable for
values of the independent variable that are outside the range of
the sample values? Explain.
In an attempt to improve the model, use a multiple
regression model to predict the dependent variable .Y, based on all
of the independent variables. X1, X2, and X3.
Using Excel,...