Which of the following is a highly useful statistic in which plus or minus one standard deviation always equals 68 percent of a normal curve?

a. Variance
b. Standard deviation
c. Mode
d. Range


b. Standard deviation

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A nolo contendere is similar to a guilty plea and carries the same criminal sanctions as a guilty plea

a. True b. False Indicate whether the statement is true or false

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Which Republican senator held a series of televised hearings to investigate allegations of communist spying in the United States?

A. Frank Carlson B. Harry Darby C. Joseph McCarthy D. Richard Nixon

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_______ was one of the activities prohibited by the Clayton Act

Fill in the blank(s) with the appropriate word(s).

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The men who signed the Declaration of Independence were the elite of their colonies, men of wealth and social standing

a. True b. False Indicate whether the statement is true or false

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