The statistical formula for a value's z-score is calculated using the following formula: Where: Calculating a z-score requires that you first determine the mean and standard deviation of your data.

It also indicates how the results relate to the average value in a group and notes the number of differences. How do I calculate a Z score? You can calculate Z scores on paper using an algebra ...

A backtest shows that using a composite Z-score, based on PC, PTBV and PE ratios, has historically helped build superior value portfolios ... For each quarter end, I calculate the average Z ...

One can use Altman Z-score Plus to evaluate corporate credit risk. The Altman Z-score has become a reliable measure of calculating credit ... total assets D = market value of equity / total ...

If you were to take an IQ test, you could even use the Z score formula to compare your results to the results of others. Many scientific calculators can calculate standard deviation at the click ...