zscores can only be calculated on data that comes from a nor

z-scores can only be calculated on data that comes from a normal distribution?

1. True

2. False

Solution

z-scores are nothing but a measure of distance of distribution from mean in terms of standard deviation. It can be calculated once you know the population mean and population SD.

you can not use sample average and sample SD to calculate Z- score. so the answer is false.

false