Drills
Calculating frequency density and converting between bar areas and frequencies on a histogram.
Author note — to cover (Higher)
- Fluency — frequency density from frequency and class width, with every division exact (4 questions).
- Areas to frequencies — frequencies from stated densities and widths, and completing a table whose products come out whole (4 questions).
- Unequal widths — single-choice questions where the tallest bar does not hold the most data, catching height read as frequency (4 questions).
The test
—coming soon—
Where to go next
This mixed review uses the methods from these learning pages: