Test the claim that the proportion of men who own cats is significantly different than 50% at the 0.02 significance level. a.) The null and alternative hypothesis would be: b.) The test is: right-tailed left-tailed two-tailed   Based on a sample of 60 men, 59% owned cats   c.) The sample proportion ˆp= d.) The test statistic is:  (to 2 decimals) e.) At α=α=0.02, the critical value is:±  (to 2 decimals) f.) Based on this we: Reject the null hypothesis Fail to reject the null hypothes

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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.