The Chi-squared test for Independance

The χ2 test for independence.

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The Chi-squared (χ2) test for independence: contingency tables, degrees of freedom, critical value, the degrees of freedom will always be greater than one. Using TI Nspire and by hand calculations to enhance understanding. the χ2 critical value will be given if appropriate, students will be expected to use technology to find a p -value and the χ2 statistic.