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10 Cards in this Set
- Front
- Back
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univariate, bivariate, multivariate data sets
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one, 2, and more than 2 variables, duh!
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explanitory/response variable
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x (independant), y (dependant)
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Descriptive Stats
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methods for summerizing data
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Inferential Stats
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generalizing from a sample to a population
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parameter
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# measures about the population (greek letters)
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Sample
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# measures about the sample (use regular letters for variables)
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Categorical data
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aka Qualitative. i.e. gender, animal
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Numerical data
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aka quantitative. two types: discrete+continuous
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Nominal
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only name/label. categorical. can measure frequency/%/mode
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ordinal
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categorical. data can be put in order, but interval between measurements is not meaningful. can measure relative size (<, =, >), median
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