# Week 7: Inferential statistics II - Testing difference

# Key concepts

- Estimating population proportions (Meier et al., 2014)
- Testing difference of means (Meier et al., 2014)
- Contingency tables and Chi-Square test of independence (Statistics Online Support, UT Austin, 2015)

# Before class

## Required readings

- Meier, K. J., Brudney, J. L., & Bohte, J. (2014). Estimating Population Proportions. In
*Applied Statistics for Public and Nonprofit Administration*. - Meier, K. J., Brudney, J. L., & Bohte, J. (2014). Testing the Difference between Two Groups. In
*Applied Statistics for Public and Nonprofit Administration*. - Contingency tables and Chi-Square test of independence: Statistics Online Support, UT Austin. (2015).
*Chi-Square Test of Independence*. https://sites.utexas.edu/sos/guided/inferential/categorical/chi2/.

# In class

- Lecture on key concepts (1.5h)
- Group activity: Applying statistics (30 min)
- In class practice (1h):
- Paper practice
- In-class practice

- Assignment catch-up:
- Qualitative Group Project (15 min).
- Quantitative Test (15 min).

# After class

- Review readings from previous weeks.
- Review Paper Practice and In-Class Practice from previous weeks.