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Data handling and analysis

Data handling and analysis

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Question 132

An environmental scientist investigating river quality records the concentration of a chemical pollutant. Rather than recording the precise numerical concentration in parts per million (ppm), they classify each sample into one of three categories: 'Low', 'Medium', or 'High'.

Identify one statistical limitation of using this qualitative categorical data compared to the original quantitative measurements.

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Markscheme

Data handling and analysis Questions

  1. A Level
  2. /Psychology
  3. /Data handling and analysis

235 exam-style questions on AQA A Level Psychology Data handling and analysis. Each one has a worked solution and a mark scheme showing where the marks go.

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