**Precious water worth the walk
**

- If Australia's population is 18,000,000, how many litres of water does the country use per day? Per year?
- How may times do you flush the toilet each day? How much water does this use per day? Per week? Per year?
- Think up some other questions for your classmates based on the data in this article.
- Devise a survey to find out how much water your class uses per week. Carry it out, record and present the results.

Where to next?Newspaper article

Index - Related articles

Index - Data Collection and Sampling

Index - Data Representation

Index - Chance and Basic Probability

Index - Data Reduction

Index - Inference

Main Index - Numeracy in the News