Pass maths · Statistics and probability

Averages and range

Learn the method, then complete five focused questions.

Progress…

LZ Method

Mean: total ÷ count. Median: middle after ordering. Mode: most frequent. Range: largest − smallest.

  1. 1Data: 2, 3, 3, 4, 8
  2. 2Mean = 20 ÷ 5 = 4 · Median = 3
  3. 3Mode = 3 · Range = 8 − 2 = 6