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Study Guide P&S

Range the difference between the maximum data value and the minimum data value.
standard deviation ("s") is a measure of variation of values about the mean.
variance a measure of variation equal to the square of the standard deviation.
s2 sample variance
population standard deviation
population variance
range rule of thumb 68% 95% 99.7%
Chebyshev's Therom 75% 89%
Percentiles are measures of location, denoted P1, P2... P99, which divide a set into 100 groups
ordinary values
unusual values
Created by: haleydionne