Sampling distributions
Content for Thursday, January 21, 2027
Goals
By the end of this topic, you should be able to:
- Explain sampling error and the distribution of sample means
- State the central limit theorem: shape, center and spread
- Compute a standard error, and say why it shrinks with n
- Use a z-score for a mean to judge how weird a sample is
Reading
- Before session 1: sections 7-1 and 7-2.
- Before session 2: sections 7-3 to 7-5.