# Ch. 5 Random Samples

Sections covered: 5.3, 5.4, 5.5

## 5.4 The Distribution of the Sample Mean

Central Limit Theorem visualization: http://mfviz.com/central-limit/

## 5.5 The Distribution of a Linear Combination

Skip (for now): formula (5.11) – variance of a linear combination not assuming independence of $$X_i$$’s.