Efficiency wages will raise the quantity of labor supplied to the market

Which of the following is a feature of experiments?

A) Experiments are restricted to laboratories. B) Experiments are carried out only in the study of economics. C) Experiments help determine cause and effect between variables. D) Experiments require the division of participants into a treatment group and a test group.

The F-statistic is an alternative measure of goodness-of-fit of an estimated regression equation and defined as the:

A) variation not explained by the regression equation relative to the variation explained. B) variation explained by the regression equation to the variation not explained. C) variation explained. D) variation not explained.