rachel is ranked 72 out of 451 students. whats her class rank percentile?
72/451 = 0.1596 = 16th percentile
To find Rachel's class rank percentile, you need to determine the percentage of students in her class who she outperformed in terms of rank.
First, subtract Rachel's rank from the total number of students: 451 - 72 = 379.
Next, divide this result by the total number of students in the class: 379 / 451 = 0.839.
Multiply the above result by 100 to convert it to a percentage: 0.839 x 100 = 83.9%.
Therefore, Rachel's class rank percentile is approximately 83.9%.