Homework Help: statistics

Posted by Leslie on Sunday, June 19, 2011 at 5:20pm.

The revenue Commissioners Ireland conducted a contest for promotion. The ages of the unsuccessful applicants are given below. Some of the applicants who were unsuccessful in getting a promotion charged that the competition involved discrimination based on age. treat the data as samples from larger populations and use a 0.05 significance level to test the claim that the mean age of the successful applicants. Based on the result, does there appear to be descrimination based on age?
ages of unsuccessful applicants
34,37,37,38,41,42,43,44,44,45,45,45,46,48,49,53,53,54,54,55,56,57,60
ages of successful applicants
27,33,36,37,38,38,39,42,42,43,43,44,44,44,45,45,45,45,46,46,47,47,48,48,49,49,51,51,52,54
1.state the obviouse claim (what is alleged?)
2.what happens if the claim is false?
3.what is the null and alternative hypothesis?
4.will this be a Z or T distribution?
5.what is the test statistics (statdisk)
6.What is the conclusion?

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