The interquartile mean is a measure of central tendency. While all values in a data set are used to calculate the mean, only the interquartile range -- the central portion of a data set -- is used ...

It is difficult to calculate these values manually and while calculators make it easier, Excel is the preferred tool for finding these values over a range of cells. How to calculate Standard ...

Calculate the standard deviation of the historical returns compared to the mean determined in Step 3. In Excel, this can be achieved by using the STDEV function. 5.