SOCI 2000 Lecture Notes - Lecture 9: Pie Chart, Univariate, Histogram
13 Nov 2017
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*ratio can be treated as nominal but not vice versa. *different levels can produce different types of variables (continuous vs categorical) Lower levels of measurement = categorical = nominal and ordinal: highest levels of measurement = continuous = interval and ratio. Pick the right tools: descriptive(using representations to describe data collected) or inferential (broader inferences to general population) data, how many variables are being analyzed? (univariate, bivariate, multivariate) Descriptive stats: goal to summarize data as succinctly as possible, describe nature of social world. 3 categories: distributions of variables, statistics convey central tendency of each distribution, statistics that convey the variabiliy or dispersion that exits in each distribution, continuous = mean, categorical = mode (most common score) Use stats to make judgements and statistical significance about the data. Summaries about large amounts of information about single variable statistics: more advanced statistical techniques often require make distributed consumptions -count of how responsible they are distributed across variables.
