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Interpreting a cumulative frequency graph

The starter and exit quiz of the lesson “Interpreting a cumulative frequency graph”, from the unit “Graphical representations of data: cumulative frequency and histograms” (Year 11 Maths) by Oak National Academy.

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Oak National Academy

12 questions

  1. Cumulative frequency is the total of all frequencies up to a defined class. It is the '___ total' of frequencies.
  2. What is the next cumulative frequency?
  3. What is the missing cumulative frequency?
  4. Which of the following is not correct when drawing a cumulative frequency graph?
  5. What coordinates should be plotted for the second point?
  6. What coordinates should be plotted for the third point?
  7. The third quartile Q_3 is the ___.
  8. Use this graph to estimate the median.
  9. Use this graph to estimate the lower quartile.
  10. Use this graph to estimate the upper quartile.
  11. 35% of people score ___ or less.
  12. Any pupil scoring over 20 marks gets a certificate. How many certificates are given out?

License: OGL

Interpreting a cumulative frequency graph · Examplary