Kōkiri Learn

Week 2 of 4

Summarise and show the data

  1. 1
  2. 2
  3. 3
  4. 4

Session 1 · SOLVE: Link Ideas

Averages and spread

  1. 15 minMean, median, mode and range: work through one example together.
  2. 25 minCalculate all four for your data.
  3. 10 minWhich average best describes your data, and why?

Session 2 · SOLVE: Link Ideas

Choose the graph

  1. 15 minDot plot, bar graph, or something else? Match the graph to the data.
  2. 25 minDraw the graph with a title, labels and units.
  3. 10 minGallery walk: can others read your graph without help?

Getting started

Use a spreadsheet to calculate the mean, then find the median by ordering.

Stretch

Show how one outlier changes the mean but not the median.

Checkpoint

Accurate summary values and a labelled graph that suits the data.

Activities for this week