Paired T-Test Calculator
Perform a paired t-test on before and after measurements. Calculate t-statistic, p-value, and mean difference for matched pairs.
T-Statistic
9.0000
Degrees of Freedom
4
P-Value (Two-Tailed)
0.000844
Mean Difference
1.8000
Conclusion
Reject H0 at α = 0.05 (p = 0.0008)