The following data show the preference of 20 people for a candidate to a public office. A "+" indicates a preference for the Democratic candidate, and a "-" indicates a preference for the Republican candidate. 
With α = .05, test for a significant difference in the preference for the candidates.
Definitions:
Elaborate Descriptions
Detailed and thorough explanations or accounts of objects, events, or concepts.
Sociological Imagination
The ability to see the relationship between individual experiences and the larger society, a concept introduced by C. Wright Mills.
Social Structures
are relatively stable patterns of social relations.
Sociological Imagination
The ability to see the impact of social forces on individuals' private and public lives, a concept introduced by C. Wright Mills.
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