Percentile formula helps in determining the performance of a person in comparison to others. To recall, the percentile is used in tests and scores of a candidate to show where he/she stands with reference to other candidates. Percentile of the value ‘x’ is calculated by the ratio of the number of values below ‘x’ to the total number of values. Percentiles can also be calculated for weight, income and many other things.
Formula for Percentile
The Percentile Formula is given as,
|Percentile = (Number of Values Below “x” / Total Number of Values) × 100|
Also Check: Percentage Formula
Question: The scores for student are 40, 45, 49, 53, 61, 65, 71, 79, 85, 91. What is the percentile for score 71?
No. of. scores below 71 = 6
Total no. of. scores = 10
The formula for percentile is given as,
Percentile = (Number of Values Below “x” / Total Number of Values) × 100
Percentile of 71
= (6/10) × 100
= 0.6 × 100 = 60