S2a – Frequency tables and two-way tables

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Prerequisites
  • A knowledge of the four operations from lessons N2aN2bN2c and N2d is assumed – particularly the ability to add and subtract.
  • An understanding of the difference between strict and not strict inequalities is helpful. This is covered in lesson N1e.

Part 1 – Frequency tables

Links to past exam questions

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Part 2 – Two-way tables

Links to past exam questions

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What next?

An understanding of frequency tables is fundamental. Using frequency tables, we can generate charts and graphs to show data, and we can calculate statistics such as averages, quartiles, the range, and the interquartile range.