We can apply the process of solving percentiles of a grouped data in a purposeful way by using it to compare a performance to that of other students.
What is Percentile?
This is a statistical tool which measures the value below which a given percentage of observations in a group of observations fall.
Percentile Rank = L + (RN/100 – M) / F × C where
- L is the lower bound of the interval that contains the percentile rank
- M is the cumulative frequency which contains the percentile rank
- F is the frequency of the interval that contains the percentile rank
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