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# Scrap rates per thousand (parts whose defects cannot be reworked) are compared for 5 randomly selected days at three plants. Does the data prove a

Scrap rates per thousand (parts whose defects cannot be reworked) are compared for 5 randomly selected days at three plants. Does the data prove a significant difference in mean scrap rates? Which pairs of mean scrap rates differ significantly (3 plants)?Plant A Plant B Plant C11.4 11.1 10.212.5 14.1 9.510.1 16.8 9.013.8 13.2 13.313.7 14.6 5.9