Step 6 Objective

Compare two simple distributions using the range and one of the mode, median or mean.


Examples of what pupils should know and be able to do

How do pupils travel to school? Compare the median and range of the times taken to travel to school for two groups of pupils such as those who travel by bus and those who travel by car.

Which newspaper is easiest to read? In a newspaper survey of the numbers of letters per word in 100-word samples, compare the mean and the range.

Newspaper type Mean Range
Tabloid 4.3 10
Broadsheet 4.4 14