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Video Links Chapter 14
Chi-squared test
https://www.youtube.com/watch?v=WXPBoFDqNVk
How to---perform a chi-square test (by hand)
https://www.youtube.com/watch?v=V4SRgabFbz0
Chi-square tests for count data: finding the p-value
https://www.youtube.com/watch?v=HwD7ekD5l0g
Simple explanation of chi-square
https://www.youtube.com/watch?v=VskmMgXmkMQ&t=13s
Chi squared test