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Inferential statistics can be divided into 2 categories
Parametric stat techniques - are based on assumption that population observations follow a known distribution and usually require an interval scale of measurement
Non parametric -
Require few if any assumptions about the nature of the sampled population
Nonparametric tests can be used when the observations are measured on a nominal or ordinal scale
What are interval nominal ordinal and ratio data each ...
Back (Definition)
What is a histogram
A visual representation of data in which the data values are grouped into intervals and the relative frequency of values in each interval is plotted
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