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March 31, 2015

March 31, 2015

Posted by **ahmed** on Sunday, July 24, 2011 at 8:21am.

a.Set up the null and the alternative hypotheses needed to determine whether the proportion of ads using humor in the United Kingdom differs from the proportion of ads using in the United States.

b.Test the hypotheses you set up in part (a) by using the test statistic approach and by using 0.01 level of significance.

c.Set up the hypotheses needed to attempt to establish that the difference between the proportions of U.K and U.S ads using humor is more than 0.05. Test the hypotheses by using the P- value approach and by setting á equal to.10,.o5,.01,.001. how much evidence id there that the difference between the proportions exceeds.05?

- stat -
**PsyDAG**, Sunday, July 24, 2011 at 11:18amHo: proportions =

Ha: proportions ≠

Use Chi Square test.

http://math.hws.edu/javamath/ryan/ChiSquare.html

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