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Which of the following is the best example of opportunity cost?
A) a company's expenditures on a training program for its employees
B) the rate of return on a company's investment
C) the amount of money that a company can earn by depositing excess funds in a
money market fund
D) the profit that a company forgoes when it decides to drop one product line in favor
of another one
If a regression coefficient passes the t-test, it means that
A) the regression equation is valid.
B) the regression coefficient is significantly different from zero.
C) the regression coefficient can be used for forecasting.
D) the regression coefficient should be included in the regression equation.
