Comparing and interpreting data

problem
Compare the squares

Age

7 to 11

Challenge level

In this problem you will do your own poll to find out whether your friends think two squares on a board are the same colour or not.
problem
Real statistics

Age

7 to 11

Challenge level

Have a look at this table of how children travel to school. How does it compare with children in your class?
problem
Match the matches

Age

7 to 11

Challenge level

Decide which charts and graphs represent the number of goals two football teams scored in fifteen matches.
problem
Inspector Morse

Age

11 to 14

Challenge level

You may like to read the article on Morse code before attempting this question. Morse's letter analysis was done over 150 years ago, so might there be a better allocation of symbols today?
problem
Tree tops

Age

14 to 16

Challenge level

Can you make sense of information about trees in order to maximise the profits of a forestry company?
problem
Not necessarily in that order

Age

11 to 14

Challenge level

Baker, Cooper, Jones and Smith are four people whose occupations are teacher, welder, mechanic and programmer, but not necessarily in that order. What is each person’s occupation?
problem
Winning team

Age

11 to 14

Challenge level

Nine cross country runners compete in a team competition in which there are three matches. If you were a judge how would you decide who would win?
problem
Calendar capers

Age

11 to 14

Challenge level

Choose any three by three square of dates on a calendar page...
article
Understanding hypotheses

This article explores the process of making and testing hypotheses.
article
Enriching data handling

This article for teachers looks at some suggestions taken from the NRICH website that offer a broad view of data and ask some more probing questions about it.