Chi-squared test for association (IB Biology)

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Chi-squared test for association

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00:00 - Chi-Squared Test for Association
04:31 -
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I'm not sure if you'll see this comment, but I was wondering if you could go more in depth as to why you multiply the column and row totals and divide by the full number. We had a large debate/ discussion in class about why the formula actually works and never came up with a conclusion.

zunwin
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Every ib bio teacher ever: Ull never have to calculate chi squared it’ll only be mcq ☺️👍
May 22 exam: gets four mark chi squared question 😑

kateroberts
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Exactly!! the new spiderman guy(tom holland) is cool haha

sufiyashah