Paired T Test Calculator
paired t-test calculator. Get instant, accurate results. Enter values for instant results with step-by-step formulas.
Reviewed by Manoj Kumar, Mathematics Educator
Formula
t = dฬ / (s_d / โn)
Tests whether the mean difference between paired observations is significantly different from zero.
Worked Examples
Example 1: Before/After
Problem:Before:[200,210,190,220,205] After:[180,195,185,200,190]
Solution:dฬ=15, t with df=4
Result:t statistic
Reviewed by Manoj Kumar, Mathematics Educator ยท Editorial policy