Chi Squared

  • Created by: Mary_07
  • Created on: 08-05-17 11:27
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  • Chi Squared
    • Checklist; nominal data, independent measure, experiment
    • Step 1; add the totals for each column
    • Step 2; calculate expected frequencies by (raw total x column total) / overall total
    • Step 3; using the formula for each cell
    • Step 4; calculate degrees of freedom, (number of rows - 1) x (number of columns -1)
    • Step 5; find the critical value
    • Significance; observed value has to be greater than the critical value


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