Pass maths · Statistics and probability

Charts and tables

Learn the method, then complete five focused questions.

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LZ Method

Read titles, labels, scales and keys. Bar height gives frequency. Multiply pictogram symbols by the key. A pie sector represents its fraction of 360°.

0369WalkBusCycle
  1. 1Survey: walk 6 · bus 9 · cycle 3
  2. 2Total = 18
  3. 3Bus sector = 9/18 × 360° = 180°