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COMM 300: Quantitative Analysis

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Lecutre Notes

9/28/2005

10/5/2005

10/12/2005

10/26/2005

  • One way ANOVA
    • One way analysis of variaince
    • Need to know what your dependent (interval / ratio var) and independent (nominal / ordinal) varialbe
  • BG(df) = (j-1) = number of groups - 1 = between groups degrees of freedom
  • WG(df) = j(n-1) = within group degrees of freedom - Only works when there are equal cell sizes!

11/16/2005


Misc notes

  • On test / homeworks:
    • Be sure to mention test result AND p number
    • Also, draw out the graph and demonstrate you know what the region of rejection is
    • Remember to divide the p value by two WHENEVER it's a one tailed test

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