Half-normal distribution - Wikipedia
We take independent random samples of sizes n1 and n2 from two
Chi-Square (Χ²) Distributions
Probability distribution - Simple English Wikipedia, the free encyclopedia
Generalized normal distribution - Wikipedia
Truncated normal distribution - Wikipedia
Yates' Correction for Continuity: Statistics, Contingency Table
File:Chi distribution CDF.svg - Wikipedia
Understanding Normal Distribution, by Qingchuan Lyu