COMM 300: Quantitative Analysis

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Lecutre Notes

9/28/2005

• COMM 300: Time dependent data
• COMM 300: SPSS

10/5/2005

• COMM 300: SPSS
• COMM 300: Basic statistics & SPSS

10/12/2005

• COMM 300: T-test
• COMM 300: Chi-squared tests
• COMM 300: In class worksheet answers

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

• COMM 300: Multiple Regression

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