Students will not need any specific prior knowledge beyond the informal ideas of correlation that should be familiar from GCSE mathematics.
Work through the PowerPoint presentation supplied, using the notes provided to lead whole-class and individual questioning and discussion. The activities in this task are suitable for a variety of approaches, including individual work, paired work, and whole class discussion.
The supplied PowerPoint presentation includes extensive notes that address the key teaching points for an introductory lesson on this topic.
Students could use spreadsheets to perform the required calculations;