Have the data in height order sorted by height. Percentiles explained page content when you go to the pediatrician for a well child check you ll always review your baby s or child s growth.

Growth Chart Girls Weight Baby Girl Growth Chart Growth Chart

The 95th percentile always means 95 of the other values lie below yours and 5 lie above it.

How to read percentiles. Have the data in age order. For this example you would draw a line through 24 months 2 years. Score percentiles on your test.

How to read percentiles 1. Being at the 95th percentile means the same thing no matter if you are looking at exam scores or weights of packages sent through the postal service. A nice property of percentiles is they have a universal interpretation.

For example if you score in the 25th percentile then 25 of test takers are below your score. How to read a growth chart. Let s say you get some numbers like these.

To calculate percentiles of age. Curves on the chart indicate the percentiles for length for age and weight for age. Find the child s age at the bottom of the chart and draw a vertical line on the growth chart from top to bottom.

The 25 is called the percentile rank. To calculate percentiles of height. In common use the percentile usually indicates that a certain percentage falls below that percentile.

To determine best test. You also may be looking at your own score percentiles when you get back your score report for a certain test.