An analyst observes a positive relationship between digital marketing expenses and online sales for a firm. However, she intuitively feels that she should add an additional predictor variable, one which has a high correlation with marketing expenses. If the analyst adds this independent variable to the model, which of the following could happen? More than one choices could be correct.

Options -
1)The model’s R-squared will decrease
2)The model’s adjusted R-squared could decrease
3)The Beta-coefficient for predictor - digital marketing expenses, will remain same
4)The relationship between marketing expenses and sales can become insignificant

Write the contrapositive of the conditional statement. determine whether the contrapositive is true or false. if it is false, find a counterexample. a converse statement is formed by exchanging the hypothesis and conclusion of the conditional. a) a non-converse statement is not formed by exchanging the hypothesis and conclusion of the conditional. true b) a statement not formed by exchanging the hypothesis and conclusion of the conditional is a converse statement. false; an inverse statement is not formed by exchanging the hypothesis and conclusion of the conditional. c) a non-converse statement is formed by exchanging the hypothesis and conclusion of the conditional. false; an inverse statement is formed by negating both the hypothesis and conclusion of the conditional. d) a statement not formed by exchanging the hypothesis and conclusion of the conditional is not a converse statement. true