# 3. Statistics

- [3.1: Statistics – Visualising data](/australian-drinking-water-guidelines/part-4/statistics/3.1-statistics-visualising-data.md)
- [3.2: Statistics – Assessing data](/australian-drinking-water-guidelines/part-4/statistics/3.2-statistics-assessing-performance.md)
- [3.3: Statistics – Statistical principles](/australian-drinking-water-guidelines/part-4/statistics/3.3-statistics-statistical-principles.md)
- [3.4: Statistics – Control charts and trends](/australian-drinking-water-guidelines/part-4/statistics/3.4-statistics-control-charts-and-trends.md)
- [3.5: Number of samples required](/australian-drinking-water-guidelines/part-4/statistics/3.5-number-of-samples-required.md)
- [3.6: Guidance for issuing and lifting boil water advisories](/australian-drinking-water-guidelines/part-4/statistics/3.6-guidance-for-issuing-and-lifting-boil-water-advisories.md)
- [Attachments](/australian-drinking-water-guidelines/part-4/statistics/attachments.md)