Bivariate Data

Calculation and interpretation of Pearson’s product moment correlation coefficient as well as knowledge of the vocabulary associated with bivariate data.

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Overview of task

Calculation and interpretation of Pearson’s product moment correlation coefficient as well as knowledge of the vocabulary associated with bivariate data.

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Strand

Statistics

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Prior knowledge

Appreciation of using and interpreting scatter graphs and drawing lines of best fit by eye.

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Relevance to Core Maths qualifications

•AQA

•C&G

•Eduqas

•Pearson / Edexcel

•OCR

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Suggested approaches

Suitable for:

  • group work with opportunity for collaboration, discussion, debate on the matching activity
  • independent working on the questions on the PowerPoint

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Resources/documentation

  • Teacher notes
  • Correlation PowerPoint
  • Correlation match
  • Correlation match solutions
  • Correlation calculations spreadsheet

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Relevant digital technologies

Spreadsheet, calculator

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Possible extensions

Knowledge of when to use Pearson’s PMCC or Spearman’s rank correlation coefficient (when this has been covered). Hypothesis tests with Pearson’s PMCC.

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Acknowledgement

Developed by Judith Werner at Denbigh School. PowerPoint resource adapted from a Statistics 1 Edexcel resource by M Pye, combined with questions from MEI Structured Mathematics, Statistics 2, Third Edition (Davies, Eccles, Francis, Green and Porkess; Hodder Education). Correlation match from MEI Integral Maths resources for Statistics 2.


  • Kevin Higginson Jan 24, 2017

    Thank you, I have finally found the answers to the matching activity