Derive your third quartile based on whether your data set includes an even or odd set of values. With an odd number of values, multiply N by 3, add 1 and divide the result by 4.

Fourth quartile: The set of data points between the upper quartile and the maximum value of the data set. Calculating Quartiles In a Spreadsheet .

Picture a conference room full of fund managers. From behind a podium, the speaker asks all the top-quartile performers to stand up—and every fund manager rises. After all, at some point in ...

They found that the spread between top and bottom quartile funds in private equity is a whopping 12.9 percentage points compared to 1.5 percentage points for public equities funds.

As data from McKinsey reveals, the top quartile of companies for ethnic diversity are 36% more likely to financially outperform their less diverse peers.