### Testing Differences with the T-Test ...

**Bigger, faster, better... **how can you prove things like that?** Introducing the t-test ... sounds scary**, but you can figure it out. Actually, everything you do in a t-test has a reason, and once you understand those reasons, the whole process will **start to make sense**. Use a t-test to convince your boss that you're a genius. Bonus cute wizard's **lookup table**.

### Testing Goodness of Fit with the Chi-Square ...

The hard-working, under-appreciated engineer's evil pointy-haired boss is convinced his workers are making off with long weekends -- after all, 42% of sickdays fall on a Monday or Friday. **Use a statistical test to help the engineer accept or reject that hypothesis**. Learn to **construct the chi-square table** and take apart the famous** chi-square formula** (oh minus ee squared over ee) so you can see how the parts fit together. Yet another cute wizard's **lookup table of p-values**. Then leave the engineer behind and use your skills to **tackle the double hybrid Punnett Square**.

### Simulating Goodness of Fit Tests ....

Would you wear shoes that don't fit you feet? Then **why accept data that doesn't fit your model?!** This could be a job for the **chi-square test... but there are other methods as well**. Flex your muscles with the** brute force method**, then decide whether you like brute force or statistical tests better. Then use your skills to tackle problems ranging from genetics to ecology.