What is the function to calculate a percentile in Excel?

The function to calculate a percentile in Excel is correctly identified as =PERCENTILE.EXC(A1:AX, k). This function computes the k-th percentile of a data set, excluding the k-th percentile itself, which means it is particularly useful when you are interested in understanding data distributions while avoiding the extreme values at either end.

The syntax involves specifying a range of cells, in this case, A1:AX, and a value k that represents the percentile you want to calculate, expressed as a decimal (for example, 0.75 for the 75th percentile).

Using =PERCENTILE.EXC ensures that only values below the specified percentile are considered in the calculation, making it ideal for statistical analysis in many practical scenarios where the focus is on a defined percentile range without including the boundaries that might skew the results.

It's important to recognize that there are other percentile functions offered in Excel for different statistical approaches. The =PERCENTILE.INC function also calculates percentiles but includes the values at the extremes, effectively providing a different perspective on the dataset. Options that suggest functions like =PERCENTILE.CALC do not exist in Excel, indicating a misunderstanding of the available functions. Therefore, selecting =PERCENTILE.EXC