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.


1.false
2.true
3.true
4.true
5.false

Political Science

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The fundamental flaws with the responsible party model include all of the following EXCEPT ________

A. parties eliminate the elite classes from their campaign efforts B. parties do not always offer the voters clear policy alternatives C. voter decisions are not motivated primarily by policy considerations D. American political parties have no way to bind their elected officials to party positions

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In 2009, fertility rates were lower in European countries and higher in Latin American countries. This statement refers to _______________ variation.

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

Political Science

Which of these congressional leadership roles is outlined in the Constitution?

a. Speaker of the House b. Majority leader c. Majority whip d. Minority leader

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UN agencies often use the process of shared norms and values, negotiated agreements, and standards to effect change. These are all examples of the use of ______.

a. general sanctions b. smart sanctions c. hard power d. soft power

Political Science