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Samantha C.

asked • 6d

Two Sample Testing

You wish to test the following claim (Ha) at a significance level of α=0.10.


      Ho:p1=p2

      Ha:p1≠p2


You obtain 611 successes in a sample of size n1=668 from the first population. You obtain 419 successes in a sample of size n2=440 from the second population.


What is the critical value for this test? (Round to three decimal places.) 

Critical value = ±±


What is the test statistic for this sample? (Round to three decimal places.) 

Test statistic = 

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