Planning Statistical Projects

Substitution Cipher

Stage: 3 and 4 Challenge Level: Challenge Level:1

Find the frequency distribution for ordinary English, and use it to help you crack the code.

Reaction Timer

Stage: 3 Challenge Level: Challenge Level:1

This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.

Who's the Best?

Stage: 3 and 4 Challenge Level: Challenge Level:1

Which countries have the most naturally athletic populations?

Statistical Shorts

Stage: 3 and 4 Challenge Level: Challenge Level:1

Can you decide whether these short statistical statements are always, sometimes or never true?

Retiring to Paradise

Stage: 3 Challenge Level: Challenge Level:1

When Charlie retires, he's looking forward to the quiet life, whereas Alison wants a busy and exciting retirement. Can you advise them on where they should go?

Estimating Time

Stage: 3, 4 and 5 Challenge Level: Challenge Level:1

How well can you estimate 10 seconds? Investigate with our timing tool.