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Category > Management Posted 03 Feb 2018 My Price 7.00

percentages of the impurities

6. In a test of the ability of a certain polymer to remove toxic wastes from water, experiments were conducted at three different temperatures. The data below give the percentages of the impurities that were removed by the polymer in 21 inde- pendent attempts.

Low Temperature	Medium Temperature	High Temperature
42	36	33
41	35	44
37	32	40
29	38	36
35	39	44
40	42	37
32	34	45

Test the hypothesis that the polymer performs equally well at all three tempera- tures. Use the (a) 5 percent level of significance and (b) 1 percent level of signifi- cance.

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Status NEW Posted 03 Feb 2018 10:02 PM My Price 7.00

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