1) When formulating a linear programming spreadsheet model, the term non-negativity refers to the condition in which the decision variables cannot be less than zero.

Group of answer choices

True

False

2) The larger the value of Standard Error of Estimate, the more accurate predication made by regression equation.

Group of answer choices

True

False

3) In a regression equation, a variable that is used to indicate a categorical variable is called Interaction Variable.

Group of answer choices

True

False