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Thread: Appropriate t-test

  1. #1 Appropriate t-test 
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    When determining the effect of age of a person on the incidence of type II diabetes, is it correct to use an independent t-test?

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  3. #2  
    Forum Radioactive Isotope MagiMaster's Avatar
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    I am not a statistician, but I don't think a t-test is the most appropriate test to use for such a question. A t-test asks whether or not the mean of a group is different from zero or if the mean of two groups are different. So you could use it to ask if there is a difference in incidence between those under 50 and those over 50 (for example) but other methods (like regression analysis) could give you a more complete answer by not binning the ages like that. [http://docs.statwing.com/examples-an...tions/t-test/]


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  4. #3  
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    so t-test is more appropriate, for example, when comparing bmi of males and females or when determining the difference between treatment and control group??
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  5. #4  
    Forum Radioactive Isotope MagiMaster's Avatar
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    As far as I understand things, yes.
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