noun
standard normal distribution; z-distribution
Technical term in statistics; refers to the normal distribution with mean 0 and variance 1.
標準正規分布に従う確率変数をZで表すことが多い。
A random variable that follows the standard normal distribution is often denoted by Z.
このデータを標準化すると、標準正規分布に近づく。
When you standardize this data, it approximates a standard normal distribution.