The Maths Habit

Estimated mean from a grouped table

Averages · Foundation and Higher · 6:52

Worksheet (PDF) Answers (PDF)

Chapters

  1. 0:00Introduction
  2. 0:24Do Now
  3. 1:04Classes and midpoints
  4. 1:45Estimating the mean
  5. 2:29Modal class and median class
  6. 3:03Example 1: estimating the mean
  7. 3:40Example 2: classes of different widths
  8. 4:29Your turn
  9. 5:20Common mistake
  10. 5:58Worksheet and exit question

Practise estimating the mean from grouped data for 15 minutes a day in The Maths Habit, on your phone or in your browser.

Open the app App Store