Stats Cheat Sheet - Population the entire collection of objects whose properties are to be analyzed in a particular study Sample a subset of the

Stats Cheat Sheet - Population the entire collection of...

This preview shows page 1 out of 1 page.

Populationthe entire collection of objects whose properties are to be analyzed in a particular study. Sample a subset of the population. Variableany characteristic of interest for each object in a population or a sample. Observation the set of measurements obtained for a particular object. Parametera numerical value summarizing the population data. Statistic a numerical value summarizing the sample data. Qualitative/Categorical variablesuse labels or names to identify an attribute of an element. Each data value belongs to one of a set of categories. Quantitative/Numerical variablesuse numeric values that represent different magnitudes of the variable. Discrete variablea quantitative variable that can take on only a finite or at most a countably infinite number of values. Intuitively, a discrete variable can assume values corresponding to isolated points along a line interval. That is, there is a gap between any two values.
Background image

You've reached the end of your free preview.

Want to read the whole page?

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture