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How do we assess the null hypothesis of no relationship between two categorical variables of a two-way table?

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Kelly.K

12 August 2020

How do we assess the null hypothesis of no relationship between two categorical variables of a two-way table?

How do we assess the null hypothesis of no relationship between two categorical variables of a two-way table?

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Shan

12 August 2020

Welcome =)

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Kelly.K

12 August 2020

Thank you.

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Shan

12 August 2020

We compare the test statistic to a critical value from a chi-square distribution to decide whether it’s big enough to reject the null hypothesis that the two variables are unrelated. To do that, we should calculate the expected frequencies and chi-square, find the critical chi-square value, compare the chi-square value to the critical value, and then decide whether to reject the null hypothesis.

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