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4 results for “variation”

Formulae (4)

y = kx

y changes directly in proportion to x.

y = \frac{k}{x}

y changes inversely with x.

CV = \frac{\sigma}{\bar{x}}\times 100\%

Relative variability as a percentage of the mean.

CV = \frac{\sigma}{\mu}\times 100

Relative variability as a percentage of the mean.