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Test for equality of two proportions
Given two sets of sample data of large size n1 and n2 from attributes. We may examine whether the two samples come from the populations having the same proportion. We may proceed as follows: 1. Null Hypothesis (Ho): When P1and P2 are not known, then for heterogeneous population Where q1 = 1-p1 and q2 = 1-p2 for homogeneous population p= combined or pooled estimate. 4. Level of Significance 6. Inference |
Last modified: Tuesday, 31 January 2012, 9:50 PM