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choose the correct option Sample 2 Total 20 (20.2) 36 (30.3) 45 (50.5) 101 2 80 (79.8) 114 (119.7) 205 (199.5) 399 Total 100 150

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Sample 2 Total 20 (20.2) 36 (30.3) 45 (50.5) 101 2 80 (79.8) 114 (119.7) 205 (199.5) 399 Total 100 150 250 500 The objective is to test if the sample proportion differs from the others at 5% level of significance. The expected frequencies are given in brackets. The calculated test statistic is 1. 0.297 2. 2.1004 3. 3.167 4. 21.004 5. 1.078

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