Question

A X2 test involving a 2 x 2 table is equivalent to the test for the difference between two proportions, as described in Section 9-2. Using the claim and table in Example 4, verify that the X2 test statistic and the z test statistic (found from the test of equality of two proportions) are related as follows: z2 = X2. Also show that the critical values have that same relationship.


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  • CreatedMay 03, 2015
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