Christmas time is packed with interesting facts for data analysis.
Here is an American website we like:
For example Americans spend a little more on fake trees than real trees, yet there are twice as many real trees purchased. And 85% of real trees are pre-cut.
You also get a summary of facts from 2008 -2014 so you have useful comparisons and observations to explore.
This site includes some Australian facts.
It has a Christmas countdown clock and simple costs to use with your Stage 2 or 3 class.