The variance looks at the average distance each case is from the _____.

The emergence of "Reagan Democrats" in the 1980s is a reflection of __________

a. a long-term decline of the Democratic Party b. bi-polarity in political and partisan attitudes c. how changing political attitudes can affect partisan affiliation d. the decline of "leaner" categories in American politics e. the stability of partisan attitudes

The ___________________ summarizes the extent to which the cases in an interval level distribution fall on or close to the mean of the distribution.

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