[per-sen-tahyl, -til] 
Statistics.| 1. | one of the values of a variable that divides the distribution of the variable into 100 groups having equal frequencies: Ninety percent of the values lie at or below the ninetieth percentile, ten percent above it. |
| 2. | of or pertaining to a percentile or a division of a distribution by percentiles. |
| per·cen·tile (pər-sěn'tīl') n. One of a set of points on a scale arrived at by dividing a group into parts in order of magnitude. For example, a score equal to or greater than 97 percent of those attained on an examination is said to be in the 97th percentile. |
| percentile (pər-sěn'tīl') Pronunciation Key
Any of the 100 equal parts into which the range of the values of a set of data can be divided in order to show the distribution of those values. The percentile of a given value is determined by the percentage of the values that are smaller than that value. For example, a test score that is higher than 95 percent of the other scores is in the 95th percentile. |
taɪl