Chi-squared test worked example

Does taking vitamin C tablets affect the chance of people getting a cold?

A student investigated whether taking vitamin C tablets every day for a school term affected people's chances of getting a cold during that period. 

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Downloadable resources

About this resource

This resource was first published in ‘Number Crunching’ in June 2013.

Topics:
Statistics and maths, Health, infection and disease
Issue:
Number Crunching
Education levels:
16–19, Continuing professional development, Undergraduate