The population is divided into three levels of education level viz under-graduate graduate and post graduate and the proportion is expected to be 1:4:3 respectively.A sample of 210 graduates and 135 post graduates while remaining were under graduates . Test the hypothesis that proportion is unchanged at 5% level of significance?
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Ok..... what have you tried ?? – Brandon Dec 24 '16 at 02:09
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I am confused to use chi square or difference between proportion.. – Milan Amrut Joshi Dec 24 '16 at 13:49