Simplified Independent Complex Samples T-Test - Comparing Two Proportions

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Where g_1 and g_2 are the two proportions, m and n are their respective sample sizes and se_1 and se_2 are their respective Standard Errors:

t=\frac{g_1-g_2}{\sqrt{se^2_1 + se^2_2}},

where:

p = 2\Pr(t_v \ge |t|), and
v = m + n - 1.
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