- Your quiz is returned.
- Your next IMath homework is due tomorrow.
- Today we wrap up Packet
8: Sampling Distribution of the Sample Mean
This is the first illustration of the real utility and importance of the normal distribution, as shown in this graphic:
By taking samples of multiple variable values, and turning them into sample means, the original distribution (which was far from normal) morphs into the normal distribution, tucked about the mean of the original variable, with a standard deviation which decreases with increasing sample size.
- The Standard Normal Table of probabilities.