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.
B
Economics
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Use the above figure. The total profit earned by this monopolistically competitive firm is
A) $2,560. B) $1,600. C) $480. D) $1,900.
Economics
When collective decision making is utilized to resolve economic questions regarding the allocation of resources,
a. the role of markets will be replaced by political decision making. b. centralized decision making in all areas is inevitable. c. the preferences of individuals are of no importance. d. economic efficiency will be assured.
Economics