# Independent Complex Samples T-Test - Comparing Two Proportions

Where and are the two proportions, and are their sample sizes and and are their standard errors:

,

where:

- ,
- , or, if
**Weights and significance**is set to**Un-weighted sample size in tests**(see Weights, Effective Sample Size and Design Effects), - is 1 if
**Bessel's correction**is selected for**Proportions**in Statistical Assumptions and 0 otherwise. - is Extra Deff.