Question 9
You are solving a regression problem with 4 explanatory variables. The data has 40 observations, and the R-square value was found to be 0.74. Then answer the given subquestions.
You are removing a few explanatory variables from the dataset and the new adjusted R square value is -0.21. Is it possible?
Yes. Adjusted R squared value can be negative
No. Calculation error
None of these