Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.

Averages are typically computed as the sum of values divided by the number of data points. However, averages are also calculable from percentages. As an example, grades in a course might be weighted ...

Averaging is easy until you want to dynamically average the last few years on the fly. There are at least two easy ways to accommodate the n requirement. Averaging is easy business in Microsoft Excel.

Even though you referenced the same numbers as the original table, only the average doesn't match. The cause might be that ...

Excel doesn’t have a built-in AVERAGEIF() function, but you can still average values, conditionally. Excel has SumIf and CountIf, but no AverageIf. However, with a little array magic, you can get ...

Add Yahoo as a preferred source to see more of our stories on Google. If you have three or more rows of data, chances are, you'll need to summarize those values in some way. Summarizing is one of the ...

Microsoft Excel’s conditional formatting is a wonderful “automatic” feature that allows you to formats cells based on the value of those cells or the value of the formulas in those cells. For example, ...