YouTube to revise tree diagrams. Once you have viewed the YouTube, you could try some examples at…

• BBC Bite Size tree diagrams explanation
• BBC BiteSize tree diagram quiz (marks itself)
• S-Cool tree diagram one side summary

Another year and a new module: Data Handling

Follow the link and a Data handling crossword opens in a new window.

See how many words you can fill in without using the hint buttons.

Try the video below for a reminder on how to find the mean from the frequency table.