## Percentile |

A **percentile** (or a **centile**) is a measure used in

The term percentile and the related term *at* the 86th percentile, where 86 is the percentile rank, it is equal to the value below which 86% of the observations may be found (carefully contrast with *in* the 86th percentile, which means the score is at or below the value below which 86% of the observations may be found—every score is *in* the 100th percentile). The 25th percentile is also known as the first *Q*_{1}), the 50th percentile as the *Q*_{2}), and the 75th percentile as the third quartile (*Q*_{3}). In general, percentiles and quartiles are specific types of

- applications
- the normal distribution and percentiles
- definitions
- the nearest-rank method
- the linear interpolation between closest ranks method
- the weighted percentile method
- see also
- references

When

Physicians will often use infant and children's weight and height to assess their growth in comparison to national averages and percentiles which are found in

The 85th percentile speed of traffic on a road is often used as a guideline in setting ^{[1]}^{[2]}

In finance,