This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

Weighted average is a powerful tool for an investor. It can be used to evaluate the performance of a portfolio. It can help us better understand how the broader market moves. Even more important, it ...

Calculating returns from your stock portfolio can be a tricky matter, especially if some of your holdings pay dividends, or you make frequent deposits and withdrawals from your account. With Excel and ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, ...

The median is the middle number in a sorted ascending or descending list. It can be more descriptive of the dataset than the ...

Average product measures your productivity with a particular number of workers. To calculate the average product, you need the total product. For example, the total product for a factory might be the ...

If you bought all of your stock in a single transaction, it's easy to determine how your investment is performing. Simply look at the current share price and compare it to the price you paid. However, ...

Work in process refers to materials that have begun their transformations into finished products but are not yet complete. When running a business, you should keep track of your work in process and ...