Question

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. Samples of both men and women were questioned as to whether they had been involved in an accident on Friday the 13th. What procedure should be used to for this test?

Answer 1

The procedure used for this test is two-sample z test for proportions

Explanation:

The two sample z test is a hypothesis test that is used to compare two sample groups to determine if they have originated from the same population.

It is a statistical test used to determine whether two population means are different especially when the variances are known and the sample size is large.