Fundamentals of Statistics contains material of various lectures and courses of H. Lohninger on statistics, data analysis and chemometrics......click here for more. |
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See also: Observations and Variables, Variance, Descriptive Statistics, Distributions | |
VariabilityWhenever some measurements are taken, one has to deal with variability (or dispersion) in the data. As a matter of fact, virtually all natural processes vary - even those which yield "constant" results show up fluctuations if either the observation time is long enough or the scale of the measurement is zoomed in (see random experiment).
Examples:
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