Sample 1 Values (comma separated)
Sample 2 Values (comma separated)
Significance Level (α)
0.05
0.01
0.10
Calculate
Results
t-statistic:
Degrees of Freedom:
p-value (two-tailed):
Formula:
t = (M1 - M2) / (Sp * sqrt(1/n1 + 1/n2)), where Sp = sqrt(((n1-1)*s1^2 + (n2-1)*s2^2) / (n1+n2-2))