In a Test for the Difference Between Two Proportions, the Sample

question 31

Multiple Choice

In a test for the difference between two proportions, the sample sizes were $n _ { 1 } = 84$ and $n _ { 2 } = 102$ and the numbers of events were $x _ { 1 } = 35 \text { and } x _ { 2 } = 64$ A test is made of the hypothesis $H _ { 0 } : p _ { 1 } = p _ { 2 } \text { versus } H _ { 1 } : p _ { 1 } \neq p _ { 2 }$
Compute the value of the test statistic.

• A) -2.87
• B) -2.80
• C) -2.93
• D) -2.70

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