Pearson Residual is (n1−p)/ 2p. For the ith: (ni−p)/2p . You are conducting a multinomial hypothesis test for the claim that all 5 categories are equally likely to be selected. Complete the table. Category Observed Frequency Expected Frequency Squared Pearson Residual A 21     B 20     C 17     D 17     E 15     What is the chi-square test-statistic for this data?

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