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).


  • Chi_Squared_Test.ppt

About this resource


Created: Jul 27, 2012

Updated: Sep 24, 2014

22 Reviews

  • 4
    user avatarasantewaaa month agoreport

    very clear and simple and you have not charged for it. thank you so much

  • 5
    user avatarsunil67822 months agoreport

    Excellent presentation. Usefull for everyone.

  • 5

    I can't describe how helpful your statistical analysis power points have been over the years!

  • 5
    user avatarCoyne6 months agoreport

    excellent examples. thank you

  • 5
    user avatarbenhandy1236 months agoreport

    Really helpful, thank you so much!