## STAT 303, 503-504, Spring 1996

Prof. H. Joseph Newton

Outline of Lecture 16

- 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).

- Where do percentiles come from?
- Sampling distribution concept lab.

- 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.