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14 Cards in this Set
- Front
- Back
- 3rd side (hint)
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statistics
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the science of data
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data analytics
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the process of organizing, displaying, summarizing, and asking questions about data
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individuals
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objects,(people, animals, things) described by a set of data
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variable
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any characteristic of am individual
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categorical variable
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places an individual into one of several groups or categories
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can I group it
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quantitative variable
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takes numerical values for which it makes sense to find an average
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can I measure it
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distribution
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tells us what values a variable takes and how often it takes those values
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categorical variables
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place individuals into one of several groups or categories
- the values of a categorical variable are labels for the different categories - the distribution of a categorical variable lists the count or percent of individuals who fall into each category |
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frequency table
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raw data
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more accurate
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relative frequency table
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percentage
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more useful
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two way table
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describes two categorical variables, organizing counts according to a row variable and a column variable
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marginal distribution
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two way table converted to percentage
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distribution
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all data in a chart
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S.O.C.S.
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shape, outliers, center, spread
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