Maths · KS3 Y9 · Statistics

Comparing two distributions

m179Free1:38Heddy Score 1 of 7, below the standard

Plays from youtube-nocookie.com. No YouTube cookies until you press play.

What you need to know

  • Compare an average and a measure of spread.
  • Write each comparison in the context of the data.
  • A smaller spread means the data are more consistent.

In this clip

Heddy Score1/7, Below the standard
  • Trusted source · passed. The creator's own upload, live and playable here.
  • On the map · not judged yet. A teacher watched it: it mainly teaches this map topic.
  • Spec-true · not judged yet. Accurate, and right for the current UK specification.
  • Focused · failed. One idea, short enough to watch in one go.
  • Accessible · not judged yet. Good captions, clear sound and pictures.
  • Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
  • Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
★ passed · ☆ pending · ✕ failed
Our students

Not enough students yet

Our own students' answers. These are what move ★7 Proven.
How the Heddy Score works

Why we picked it

Topic-by-topic revision built around the June 2023 Higher Paper 2; standard GCSE content for Year 11 Higher students.