Statistics & Probability
Percentile
p-th percentile (linear interpolation).
Formula
Formula
Pp via rank interpolation
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| data | data set | computed result | — | result |
| p | percentile (0–100) | real number (ℝ) | — | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givendata = 10, 20, 30, 40, 50, percentile p = 25
Result20
Example 2
Givendata = 10, 20, 30, 40, 50, percentile p = 90
Result46