Whistle-blowers alert the public to cases of official agency misconduct

The sum of squared deviations from the mean is called the

A) Variance. B) Standard deviation. C) Sum of squares. D) Degrees of freedom.

Since 1977, the percentage of money spent by the state on highway expenditures has

a. increased dramatically as aging highways have needed to be replaced. b. increased, but only narrowly. c. remained almost exactly the same. d. declined, but only narrowly. e. declined dramatically, resulting in the state having many poorly maintained roads.