Date:         Mon, 9 Feb 2004 08:36:32 -0500
Reply-To:     Paige Miller <paige.miller@KODAK.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Paige Miller <paige.miller@KODAK.COM>
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