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. A study of accident records at a large engineering company reported the following number of injuries on each shift for one year: Shift: Morning

. A study of accident records at a large engineering company reported the following number of injuries on each shift for one year: Shift: Morning Afternoon Night Number of injuries: 1422 1628 1750 Is there sufficient evidence to say that the number of accidents on the three shifts are not the same? Test using the 0.05, 0.01, and 0.001 significance levels.

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