In statistics, quartiles are a method of breaking up a set of numbers into four equal parts. While this concept may seem simple, it actually requires some in-depth calculations to determine the exact ...

If your business uses spreadsheets, you may find it necessary to count the number of cells containing data in a worksheet. You might also need to determine how many cells are empty or if the values of ...

Harness the power of Subtotal in Excel to count grouped items Your email has been sent Excel's Subtotal feature can render quick results when you need simple grouping calculations. Susan Harkins shows ...