Statistics DSBA – Spring 2026

Module 3

  • Seminar 1 [Jan 23]: Review of Module 2.
  • Seminar 2 [Jan 26]: Hypothesis Testing, One sample test for proportions, One sample test for mean, Two sample test for Proportions.
    [Notebook for class]
  • Seminar 3 [Feb 2]: Two-Sample Test for Means, Case I: Variances Known (Two-Sample Z-Test), Case II: Variances Unknown but Equal (Pooled t-Test), Case III: Variances Unknown and Unequal (Welch t-Test), Paired t-Test, The F-Test for Equality of Variances.
    [Notebook for class] [Diagram with formulas]
  • Seminar 4 [Feb 9]: Chi-Square Tests for Categorical Data. Hypothesis Testing: Goodness-of-Fit and Test of Independence (No Association).
    [Notebook for seminar][Notebook with solutions]

Attendance + Quiz grades [here]

Extra Material

1. Notes from the University of Sheffield [site]
2. Mostly harmless Statistics [site]
3. Table with formulas[here]
4. Problems from Module 1 [Download]
5. Problems from Module 2 [Download]

Z table [here]T table [here]Chi-sqrt Table [here]F table [here]

Scroll to Top