```Date: Mon, 9 Feb 2004 08:36:32 -0500 Reply-To: Paige Miller Sender: "SAS(r) Discussion" From: Paige Miller Organization: Eastman Kodak Company Subject: Re: statistical analysis problem Content-Type: text/plain; charset=us-ascii; format=flowed conjecture wrote: > I've two groups of people, I try to compare the occupation between two > groups. > > eg > Police Cook Accountant > A 1000 200 500 > B 1500 150 600 > > The distribution is > Police Cook Accountant > A 59% 12% 29% > B 67% 7% 27% > > I try to compare the percentage, say Police, 59% vs 67% using normal > test. I would not use a normal test on this data. The data are not normally distributed. Perhaps you meant that you are using a normal approximation to a binomial test. If that is what you are doing, that is probably fine in this case. > Should I conclude the two group are different when we find the test is > significant? I don't want to use chi square test because it is not as > detailed as the normal test to test all the occupation. Agree?? I don't understand your objection to chi-squared. Chi-squared would be my first choice as a test to compare groups A and B across the three occupations. -- Paige Miller Eastman Kodak Company paige dot miller at kodak dot com http://www.kodak.com "It's nothing until I call it!" -- Bill Klem, NL Umpire "When you get the choice to sit it out or dance, I hope you dance" -- Lee Ann Womack ```

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