# 學生 t 測試

${\displaystyle t={\frac {{\bar {X}}_{1}-{\bar {X}}_{2}}{s_{p}{\sqrt {2/n}}}}}$

## 分類

### 配對樣本

${\displaystyle df={\frac {n}{2}}-1}$

## 攷

1. Dodge, Yadolah (2008). The Concise Encyclopedia of Statistics. Springer Science & Business Media. pp. 234–235.
2. Derrick, B; Toher, D; White, P (2017). "How to compare the means of two samples that include paired observations and independent observations: A companion to Derrick, Russ, Toher and White (2017)". The Quantitative Methods for Psychology. 13 (2): 120–126.