This can be found by looking up the z-score in a standard normal distribution table or using statistical software. If you’re on the hunt for more statistical tools, you’re in luck. You might ...

Basically, this conversion forces the mean and stddev to be standardized to 0 and 1 respectively, which enables a standard defined set of Z-values (from the Normal Distribution Table) to be used ...

Z-Scores vs. Standard Deviation In most large data sets (assuming a normal distribution of data), 99.7% of values lie between -3 and 3 standard deviations, 95% between -2 and 2 standard deviations ...