Question
Chi square test of goodness of fit
Answer :
Word Count : 252
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The Chi-square test of goodness of fit is a statistical method used in quantitative methods to determine whether the observed frequency distribution of a categorical variable matches an expected distribution. It is particularly useful when dealing with nominal or ordinal data. The test compares observed frequencies with expected frequencies, which are calculated based on a theoretical distribution or prior knowledge. The formula for the test statistic is χ² = Σ((Oᵢ - Eᵢ)² / Eᵢ), where Oᵢ represents the
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