Question: For a z-test for one proportion, a possible effect size measure is 1p 2 p02/p0 11 2 p02 where p0 is the null value and

For a z-test for one proportion, a possible effect size measure is 1p 2 p02/"p0 11 2 p02 where p0 is the null value and p is the true population proportion, which can be estimated using the sample proportion.

a. What is the relationship between this effect size and the z-test statistic for this situation?

b. Does the effect size fit the relationship “Test statistic 5 Size of effect 3 Size of study”? If not, explain why not. If so, show how it fits.

c. What would be a reasonable way to estimate this effect size?

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