Can you believe the time for New Year’s resolutions has come again? Maybe this year you can add to the traditional “I’ll eat healthily”, “I’ll stop smoking” and “I’ll hit the gym regularly” a new one: **“I’ll look at statistics carefully”**. You can start with these five simple tips.

**Reported averages might be meaningless**

An arithmetic mean (sum of all values divided by the number of values), often reported as the *average*, in fact doesn’t say much about the average value.

Imagine you’re describing humans to extraterrestrial visitors. How many legs does an average person have? Slightly less than two.