z-Score -- from Wolfram MathWorld
mathworld.wolfram.com › z-ScoreDec 17, 2021 · Created, developed, and nurtured by Eric Weisstein at Wolfram Research Probability and Statistics > Statistical Tests > z-Score The -score associated with the th observation of a random variable is given by where is the mean and the standard deviation of all observations , ..., . CITE THIS AS: Weisstein, Eric W. "z-Score."
z score .025 - Wolfram|Alpha
www.wolframalpha.com › inputz score .025 - Wolfram|Alpha. Assuming the input refers to a formula | Use "z" as. a variable. instead. Assuming probabilities for the normal distribution | Use. Z‐score calculator. instead. Assuming ".025" refers to endpoint | Use. left endpoint.