Exhibit 15-5 Below you are given a partial Minitab output based on a sample of 25 observations. -Refer to Exhibit 15-5. The interpretation of the coefficient on X₁ is that A)a one unit change in X₁ will lead to a 25.625 unit change in Y B)a one unit change in X₁ will lead to a 25.625 unit increase in Y when all other variables are held constant C)a one unit change in X₁ will lead to a 25.625 unit increase in X₂ when all other variables are held constant D)It is impossible to interpret the coefficient.

Question

Quizplus · Accepted Answer

The coefficient on X₁ indicates that a one unit change in X₁ will lead to a 25.625 unit increase in Y when all other variables are held constant. This is the interpretation of a regression coefficient in general, and is particularly applicable when the multiple regression analysis has controlled for the effects of other explanatory variables.

Exhibit 15-5 Below You Are Given a Partial Minitab Output Based on Based