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### 19 Cards in this Set

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 A body of techniques used to collect, organize, analyze, present and interpret data to make better decisions Statistics Methods used to describe data Collecting, Organizing, Presenting of numerical data Sample used to infer something about the population Inferential Statistics Population All possible individuals, objects, or measurements under consideration Sample portion or part of the population, can be biased Qualitative nonnumeric, what proportion fall into each eategory Quantitative numeric, can be either discrete or continuous Discrete whole numbers Continuous whole numbers and fractions Sources of Statistical Data Published Data, Surveys, Questionnaires can only be placed in one category mutually Exclusive appears in one of the categories, other or all Exhaustive NOIR Nominal, Ordinal, Interval, and Ration Nominal Lowest, most limited can only be classified into categories and can't be arranged in a ranking Ordinal higher ranking, arranged in some order, can't differences b/w data values Interval all characteristics of ordinal, amounts of differences b/w data values can be determined, no "natural" zero point Does zero ____ mean an absence of ___ Degrees, temperature Interval Ratio all characteristics of interval, ratio b/w two numbers is meaningful, meaningful zero point Does zero ___ mean an absence of ___ Weight Pounds, Ratio