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Unformatted text preview: 2 d) [6 p.] For each of the 3 columns above, state whether it contains qualitative or quantitative data, and what type of scale it is. e) [4 p.] Define what we mean by time series and cross sectional data. f) [2 p.] Does the above data set contain time-series or cross-sectional data? g) [2 p.] (Data quality) Pick two individual data items from the survey data above that you would suspect needed further checking (i.e. that you feel have the greatest probability of being wrong.) Justify your selections. h) [2 p.] What does the acronym GIGO stand for? What does it mean in the context of statistics?...
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This document was uploaded on 09/23/2011.
- Spring '09