Who used the largest amount of water?

Grade level: 4 – 5th

Skills: Finding the range, mean & median

Related environmental issues: Water

Area level: Global

The table below shows average daily water use per person in 5 countries.

Screen Shot 2015-12-08 at 10.57.31 AM

  1. What is the range of the data?
  2. What is the mean of the data?
  3. Which country shows the median of the data?

Source: Government of Canada, 2014 (Retrieved from BARC blog)

———————————————————————————–

Answer keys

  1. 64 (100-36=64)
  2. 67     (92+40+36+67+100)/5=67
  3. Italy   (36, 40, 67, 92, 100)