final stats exam cheat sheet
\( SE = \frac{\sigma}{\sqrt{n}} \) (for known \(\sigma\)) \( SE = \frac{s}{\sqrt{n}} \) (for sample estimate) Sampling Distribution of Proportions: \( \hat{p} \sim N \left( p, \sqrt{\frac{p(1-p)}{n}} \right) \) approximately, under certain conditions. 5. Confidence Intervals Intervals