Flashcards
STAB22 - Chapter 3 Flashcards
Cards in this deck (12)
- 1Frequency tableLists the categories in a categorical variable and gives the count of observations for each category.
- 2DistributionThe distribution of a variable gives the possible values of the variable and the relative frequency of each value.
- 3Area principleEach data value should be represented by the same amount of data.
- 4Bar chartShow a bar whose area represents the count of observations for each category of a categorical variable.
- 5Pie chartShow how a whole divides into categories by showing wedges of the circle.
- 6Contingency tableDisplays counts of individuals falling into named categories on two or more variables. Used to reveal possible patterns.
- 7Marginal distributionThe distribution of either variable alone.
- 8Conditional distributionThe distribution considering only a smaller group of individuals.
- 9IndependenceVariables are independent if the conditional distribution of one variable is the same for each category of the other.
- 10Segmented bar chartDisplays the conditional distribution of a categorical variable within each category.
- 11Simpson's paradoxRelationships taken within different groups can appear to contradict relationships among the grand proportions.
- 12Relative distributionThe proportion (frequency) divided by the total count.
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- STAB22 Flashcards on STAB22 - Chapter 3 Flashcards, created by andreaarose on 22/01/2014.
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- andreaarose · Jan 2014
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- Feb 19, 2016
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