The Computer Output for a Multiple Regression Analysis Including 15

question 23

Essay

The computer output for a multiple regression analysis including 15 observations and three predictor variables, x₁, x₂, and x₃ provides the following information: Which, if any, of the independent variables and contribute information for the prediction of y?
Compute the t-statistic for each predictor variable and decide whether or not it is significant: = ______________, ______________ significant. = ______________, ______________ significant. = ______________, ______________ significant.
Give the least-squares prediction equation. = _______ + _______ + _______ + _______ .
What is the practical interpretation of the parameter ?
________________________________________________________

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