Edexcel GCSE Statistics · 1ST0
Specification 2a.06, 2b.01 · Paper 1, Paper 2
Revise: Graphical misrepresentationA histogram represents grouped continuous data. Its rectangles extend from the lower to the upper class boundary, so their widths must match the actual intervals on the horizontal scale.
- Revise: Calculating averages for discrete and grouped data
An endpoint separating adjacent class intervals. For rounded measurements, class boundaries account for the precision of rounding.