Percentile

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PAS

Cegep/2

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74 words

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The $k^{th}$ percentile is the number such that $k\mathrm{\%}$ of measurements fall below that number, and the rest fall above it.
Sym. $P_k(X)$, where X is the variable
Measure of relative standing

The $k^{th}$ percentile is:

• Discrete -> first value whose $F>k$ (interpolate with next value if $F=k$)
• Continuous grouped -> $P_k=L_c+\left(\frac{k-F_{c-1}}{f_c}\right)w_c$

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Ajitani Hifumi

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