Pooled Variance of t-test

Created : 2004-08-24
Modified :

I will show you "test of mean difference".

No.	Group 1	Group 2
Cases_i	10	9
mean_i	745.0	753.9
Sum of squares_i	508	509
unbiased Variance_i	56.4	63.6

	Group 1		Group 2
Number of samples	n₁		n₂
Mean	m₁		m₂
Sum of squares	S₁		S₂

Unbiased Variance V
Estimated Deviation s_e
Degrees of Freedom
t-Statistic
1% point
5% point

Marinkyo's School > Statistics > Pooled Variance of t-test

MARUYAMA Satosi