Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Getty Images / juststock The forward ...

Each month, I provide an update to my four dividend growth model portfolios that includes portfolio beta and other volatility-adjusted metrics, such as the Sharpe Ratio. Recently, I was asked by a few ...

Plotting the frequency of data falling within numeric ranges illustrates the diversity of your data. As an example, a teacher might wish to calculate and display her students' grades by tabulating the ...

Knowing how to calculate relative and cumulative distribution in Excel can be useful in a variety of circumstances. It can be used in market analysis to sort a sample of people into age groups. It can ...

In an experiment or survey, relative frequency of an event is the number of times the event occurs divided by the total number of trials. For example, if you observed \(100\) passing cars and found ...