STAT 303, 503-504, Spring 1996
Prof. H. Joseph Newton

Outline of Lecture 16

1. A few examples of finding confidence intervals in Stataquest.
   • Given data.
   • Given statistics.
   • Problems 6.63, 6.65 (Z), 7.7, 7.13, (1 sample t) 7.37, 7.39 (2 sample t).

2. Where do percentiles come from?
   • Sampling distribution concept lab.

3. The Z, t, chi-square, and F curves.
   • The idea of degrees of freedom.
   • The concept labs (including rule of thumb for normal approximation to binomial).
   • Finding probabilities and quantiles.