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 to ...

In your school life, you have learned about average and the method to calculate it. The formula to calculate the average is very simple. You just have to add all the values in the given data and ...

Calculating data fluctuations-- also called variance -- is a multi-step process that requires total accuracy. Excel 2010 provides two basic formulas for calculating fluctuations, depending on whether ...

Have you ever found yourself wrestling with Excel formulas, trying to calculate moving averages or rolling totals, only to end up frustrated by the constant need for manual adjustments? You’re not ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

Using just one formula, you can create an entire table, generate a filtered view, calculate a running total, or build a ...

Finding percentage change in Excel requires calculating the difference between two numbers, dividing that difference by the successive number and changing the decimal value to a percentage. In case of ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

The market price of a stock doesn't necessarily reflect its intrinsic value. Several economic theories use different approaches toward valuing companies, but one of the simplest involves calculations ...

The forward price-to-earnings ratio (P/E) is a valuation metric that measures and compares a company's earnings using ...