In computing the variance, if we merely added up all the deviations from the mean without first squaring them, the average deviation from the mean would be
A) 1.0, no matter how variable the scores were.
B) 1.0, if the scores had a large variance.
C) 0.0, if the scores had a small variance.
D) 0.0, no matter how variable the scores were.
Answer: D
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Which of the following could result from a balance-of-trade deficit?
a. The value of the dollar increases, so Americans can buy more goods from other countries for the same amount of money. b. The value of the dollar declines, so Americans have to pay more for goods from other nations. c. The value of the dollar increases, making American products cheaper abroad, thereby increasing our exports. d. The value of the dollar declines, which makes American products more expensive abroad, thereby decreasing our exports.
What is the main emphasis of the realist perspective?
What will be an ideal response?
The rights guaranteed by the Fourth Amendment were expanded in the 1960s
Indicate whether the statement is true or false.
How has the expansion of cable and satellite television affected the President's ability to influence American public opinion?
a. It has increased the President's power to influence public opinion. b. It has not affected the President's ability to influence public opinion. c. It has reduced the President's power to influence public opinion. d. It has sharply decreased the President's power to influence public opinion. e. It has eliminated the President's ability to influence public opinion.