Measure of Variability that utlizes all of the data.
Numerical value used as a summary measure for a sample
A numerical value used as a summary measure for population
A Simple Statistic: such as x(Bar), s^2, and s, that is used to estimate the corresponding population parameter
A value such that at least p percent of the observations are less than or greater to this value and at least (100-p) percent of the observations are greater than or equal to this value. The 50th percentile is the median.
The 25th, 50th, and 75th percentiles. 1st, 2nd, and 3rd respectively.
A measure of varability computed by taking the positive square root of the variance
Coefficient of Variation
A Measure of relative variability computed by dividing the standard deviation be the mean and multiplying by 100
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