A study was done to determine whether the proportion of women who had accidents on Friday the 13th was greater than the proportion of men who had accidents on Friday the 13th. To find out, a random sample was taken of 2,000 individuals. Each individual was asked their gender and whether they had been involved in an accident on Friday the 13th. a)What is the explanatory variable, and is it quantitative or categorical? b)What is the response variable, and is it quantitative or categorical? c)What procedure should be used for this test?

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A:

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A: Given P1= x1/n1 =66/323 P2= x2/n2 =16/313

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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.