Use this app to calculate the standard deviation of a set of values.It will also return the:-mean(average)-variance-population deviation-Median-Q1...
Use this app to calculate the standard deviation of a set of values.It will also return the:-mean(average)-variance-population deviation-Median-Q1 & Q3To add a value to the set press "+Row". When all data are in press "Calculate". Note: Population deviation (n-1) is unbiased, while normal standard deviation (n) is biased.To calulate the z-score enter a number into the z-score tab, then click find z-score. The z-score will be based off the main table.