Holly Leaf Prickles - Standard Deviation and T-test on real data .

Make statistics real by using this practical investigation to test a hypothesis. This teaches students how to do standard deviation and T-test as well as why they do it . Written for OCR but can be applied to other A levels. The data they collect is easy and quick and gives good results! This is a whole lesson resource. The power point asks questions and gives instructions. There are also sample results given. The resources includes an active spreadsheet that makes some calculations for the students. I was skeptical that this would “work” to give a significant difference between the means - but it did.

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  • Holly-leaf-adaptation.pptx
  • Holly-protected.xlsx
  • Teacher's-instructions.docx

About this resource


Created: Apr 7, 2019


pptx, 3 MB



xlsx, 18 KB


Lesson plan

docx, 15 KB


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