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The following table gives the classification of 100 workers according to sex and nature of work. Test Whether nature of work is independent of

The following table gives the classification of 100 workers according to sex and nature of work. Test Whether nature of work is independent of the sex of the worker Skilled Male Female 40 10 Unskilled 20 30 (Given tabulated Chi-square (0.05) for 1 df is 3.84.) (6)

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