Chapter 3 Methods

Unit 2:

3.1 math example

$p$ is unknown but expected to be around 1/3. Standard error will be approximated

$$SE = \sqrt(\frac{p(1-p)}{n}) \approx \sqrt{\frac{1/3 (1 - 1/3)} {300}} = 0.027$$

You can also use math in footnotes like this¹.

We will approximate standard error to 0.027²

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1. where we mention $p = \frac{a}{b}$↩︎

2. $p$ is unknown but expected to be around 1/3. Standard error will be approximated

   $$SE = \sqrt(\frac{p(1-p)}{n}) \approx \sqrt{\frac{1/3 (1 - 1/3)} {300}} = 0.027$$ ↩︎