Use the following set of observed frequencies to test the independence of the two variables. Variable one has values of 'A' and 'B'; variable two has values of 'C', 'D', and 'E': A B с 12 10 8 20 24 26 DE Using a = 0.05, the observed chi-square value is 1.54 0 21.28 O 0.69 8.29

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