The standard deviation of the error terms in an estimated regression equation is known as:
a. coefficient of determination
b. correlation coefficient
c. Durbin-Watson statistic
d. standard error of the estimate
e. none of the above
d
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Which of the following indicates that the U.S. economy has become more stable since 1950?
A) less severe fluctuations in real GDP B) longer recessions C) shorter expansions D) All of the above indicate that the U.S. economy has become more stable since 1950.
The government significantly raised farm incomes by raising farm prices by: (i) destroying crops, (ii) slaughtering millions of baby pigs and pregnant sows, (iii) paying farmers not to grow crops and (iv) injecting dye into harvested potatoes,
making them inedible. Indicate whether the statement is true or false
Historically, realists have viewed competition over resources as
a. a major cause of war. b. a method for solving collective action problems. c. an exploitation of developing countries. d. a way for poor nations to raise their standard of living.
Which factor listed below does NOT help account for the age-earning cycle?
A) productivity B) number of hours worked each week C) effects of aging D) racial discrimination