The form of general-purpose government found in a majority of cities is comprised of an elected body with legislative and executive powers and a(n)

About what proportion of the states have adopted some sort of public funding of some campaigns?

a. One-third b. Two-thirds c. One-tenth d. None

Answer the following statement(s) true (T) or false (F)

1. One-tailed tests are used most often, unless compelling a priori knowledge exists or it is known that one group cannot have a larger mean than the other. 2. A test for the equality of variances is the Levene’s test. 3. The term robust is used, generally, to describe the extent to which test conclusions are unaffected by departures from test assumptions. 4. A combination of visual inspection and statistical testing should always be used to determine normality. 5. The Kolmogorov–Smirnov test is a test of equal variance.