Topic notes

• Exploratory data analysis

  • One variable (categorical or quantitative)

  • Two variables (any combination of categorical or quantitative)

• Collecting data and simple random sampling

• Probability rules

• Random variables

  • Normal distribution

  • Student’s t distributions

• Sampling distributions

  • For the sample proportion

  • For the sample mean

  • The repeated sampling principle

• Inference

  • For binary categorical data (one sample and two sample)

  • For quantitative data (one sample and two sample)

  • For (possibly non-binary) categorical data with Chi-Square tests (homogeneity, goodness-of-fit, and independence)