Which action would you take?

You have created a Linear Regression model to predict total sales based on variables M, N, P and Q as shown in the graphic. You originally expected all variables to have positive coefficients.

Which action would you take?
A . Accept all variables and begin model validation steps against holdout data
B . Accept only positive variables and investigate potential correlation with the dependent variable
C . Accept only statistically significant variables and investigate correlated independent variables
D . Accept none of the variables and investigate correlations between all variables

View Answer

Answer: D