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Chi Squared test

Former MemberFormer Member Posts: 1,876,328 The Mix Honorary Guru
Right, i've got a chi squared test to do, but i've only been given the observed values, and have no idea how to work out the expected values, does anyone know how to get the expected values?

Comments

  • Former MemberFormer Member Posts: 1,876,328 The Mix Honorary Guru
    I still dont get it lol (stats is not a strong point of mines)
    the data we've been given is like Child (1-25) Blood Group, Pathology (severe or uncomplicated) and Rosette Frequncy (which is a percentage)

    Lol this is due at half 4 today so all help much appreciated
  • Former MemberFormer Member Posts: 1,876,328 The Mix Honorary Guru
    Also

    the actual question is

    "calculate the 2 statistic and report a p-value in order to test the hypothesis that those children with blood group O are less likely to have severe malaria than those of blood group A. Do the same test comparing blood groups O and B and blood groups O and AB."
  • Former MemberFormer Member Posts: 1,876,328 The Mix Honorary Guru
    lol i was more wondering what i would use, from those headings, but it doesn't matter i just handed it in without, the whole assignment was only 10% of my final grade so hopefully it wont matter too much
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