Hypothesis Tests : Which & When?

Test of Means:
1-sample or 2-sample: Use z-test for n>=30 or when population variance is known, else use t-test
> 2-samples: Use ANOVA

Test of Variances:
1-sample: Use Chi-square test
2-samples: Use F-ratio test

Test of Proportions:
1-sample or 2-sample: Use z-test
>2-samples: Use Chi-square test