Flashcards
QTM 100 L2
Flashcards do conjunto (16)
- 1variableany characteristic observed in a study
- 2categorical variablef each observation belongs to
one of a set of categories; typically
contain descriptive words or phrases - 3quantitative variableobservations take on
numeric values - 4Discrete quantitative variablet takes on a finite
number of possible values; often some kind of count - 5Continuous quantitative variablehas a continuum of
infinitely many possible values - 6Dichotomous categorical variableonly has two categories
- 7Ordinal categorical variablecategories
have a natural ordering - 8frequencythe
number of observations
in each category - 9proportionthe number of
observations in each
category divided by the
total number of
observations - 10percentageproportion multiplied by
100 - 11modal categorycategory with the highest frequency
- 12Dot Plotsshow exact data values; more useful for small data sets
- 13Stem and Leaf Plotsshow exact data values; more useful for small data sets
- 14Histogramssummarizes quantitative data; more useful for large data sets
- 15Pie Chartfor categorical values
- 16Bar Chartfor categorical values
Informações
- Descrição
- 100 QTM FlashCards sobre QTM 100 L2, criado por Sarah Pinheiro em 18-02-2016.
- Criado por
- Sarah Pinheiro
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