Demystifying - Grouped data diagrams review

Drills

Reading stem-and-leaf diagrams, frequency polygons and equal-width histograms.

Author note — to cover
  • Fluency — values, counts and the range from a keyed stem-and-leaf diagram, back-to-back included (4 questions).
  • Polygons and histograms — the midpoint each frequency is plotted at, frequencies read from equal-width bars, and totals across one diagram (4 questions).
  • Class boundaries — single-choice questions placing a value in its class, and spotting the table whose classes gap or overlap (4 questions).

The test

—coming soon—

Where to go next

This mixed review uses the methods from these learning pages: