This PowerPoint provides an overview and step-by-step method for calculating Chi-squared. It is illustrated with 3 examples, including one using contingency tables. The formula and notation used are in line with the AQA GCE Human Biology Students’ Statistics Sheet (version 2.2).
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Thank you for sharing, great practice.
I usually teach chi-squared from first principles with a pen and whiteboard. This saved the day for online lessons.
A great resource for online learning, and no doubt when back in the classroom too! Thanks for sharing this.
Thanks Steve.
Thank you so much - a great resource for online teaching
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