Variables and data types
What kind of variable you have decides every choice after it: which graph, which summary, which test.
6 terms
Categorical variableA categorical variable records which group or category an individual belongs to, rather than a numerical measurement.Continuous variableA continuous variable is a quantitative variable that can take any value within an interval, including fractions and decimals.Discrete variableA discrete variable is a quantitative variable whose possible values are countable, often whole numbers with gaps between them.Explanatory variableAn explanatory variable is the input thought to explain or predict changes in the response variable; it goes on the x-axis of a scatterplot.Quantitative variableA quantitative variable records a numerical measurement or count for which arithmetic such as averaging is meaningful.Response variableA response variable is the outcome you measure to see how it changes with the explanatory variable; it goes on the y-axis of a scatterplot.