Paired t-Test

195. Paired t-Test

195.1. Paired

𝑡 = \frac{\bar{𝐷}}{\frac{𝑠_{𝐷}}{\sqrt{𝑛}}}

$\bar{𝐷}$ : mean of the differences between paired observations
$𝑠_{𝐷}$ : standard deviation of the differences
$𝑛$ : number of pairs