1. determine the F statistic (write the result is X) 2. determine the critical value F, for alpha of .01 (write the result in X.XX) 3. Conclude and discuss the results

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A: Given: Group A: n=120 X¯1=62.7S1=2.5 Group B: n=150. X¯2=61.8S2=2.62

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Q: at  α =  5% LOS

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.