Due dates

This is a pre-cursor to the Baby boom task and an initial introduction to the Normal distribution.

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Overview of task

This is a pre-cursor to the Baby boom task and an initial introduction to the Normal distribution.

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Strand

Statistics

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Prior knowledge

Students need to be familiar with the statistics: median, quartiles, mean, variance and standard deviation. They need to be able to construct a box and whisker diagram/box plot.

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Relevance to Core Maths qualifications

  • AQA
  • C&G
  • Eduqas
  • Pearson / Edexcel
  • OCR

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Suggested approaches

This is a whole class task with opportunity for group investigation as it starts with a problem about the length of pregnancy. The data is analysed in a variety of ways leading to an introduction to the Normal distribution.

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Resources/documentation

There is a PowerPoint presentation, a spreadsheet with the data and interactive whiteboard resources.

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Relevant digital technologies

Students are expected to use the spreadsheet of data to compute the mean, variance and standard deviation.

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Possible extensions

Considering how their analysis compares with the given article; researching more data.

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Acknowledgement

Developed by Derek Robinson for the CMSP.