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Important information about Hypothesis Testing:Population Proportion

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Hypothesis test for two independent proportions

p1 p2 pc
0.0736 0.1717 0.1226 p (as decimal)
4/60 10/60 15/120 p (as fraction)
4.417 10.3 14.717 X
60 60 120 n

-0.0981 difference
0. hypothesized difference
0.0599 std. error
-1.64 z
.1016 p-value (two-tailed)

-0.1955 confidence interval 90.% lower
-0.0007 confidence interval 90.% upper
0.0974 half-width

Describe the results of this test, and explain how the findings from this hypothesis testing can be used to answer your research question?

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Solution Summary

The solution provides step-by-step method for the calculation of Z test for population proportion for two populations. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.