1/21/2026

Chapter 8 - Estimation

• Methods for evaluating the goodness of estimators
  • Bias
  • Estimation error
  • Mean square error
  • Bound on error of estimation - Tchebysheff's Theorem from Probability
• Examples
  • Checking if an estimator is unbiased
  • Estimating variability
• Confidence intervals
  • General form
• Class Activity - Derive a large sample confidence intervals
  • For a mean
  • For a proportion
  • For paired data
  • For the difference in two means
  • For the difference in two proportions

Additional class exercises

• 8.5, 8.7, 8.10, 8.12, 8.43, 8.51, 8.53, 8.65, 8.73, 8.77, 8.86, 8.95

Please complete your reading of Chaper 8 for class on Friday. We will have a problem session on Friday. Please complete the Google form on Thursday evening.