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To find the critical value of a chi-square distribution using a TI-84 Plus calculator, press the "2nd" button followed by "VARS" to access the DISTR menu. Select "invChi2(" and then input the desired area (significance level) and degrees of freedom in the format invChi2(area, df). For a right-tail test, use the area as (1 - \alpha), where (\alpha) is the significance level. The calculator will return the critical chi-square value.

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1mo ago

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