t-Test - Parameters

Try these parameter values:

No Significant Difference
param. pop1 pop2
mean: 3.75 3.00
variance: 1.00 1.00
pop size: 10.0 10.0

Significant Difference
param. pop1 pop2
mean: 4.00 3.00
variance: 1.00 1.00
pop size: 10.0 10.0

Role of Variance
param. pop1 pop2
mean: 4.00 3.00
variance: 2.00 1.00
pop size: 10.0 10.0

Role of Population Size
param. pop1 pop2
mean: 4.00 3.00
variance: 2.00 1.00
pop size: 20.0 20.0