12. Refer to Exercise 11. The data in this table are the cadmium concentrations found in aphids...

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12. Refer to Exercise 11. The data in this table are the cadmium concentrations found in aphids that fed on the plants grown in soil amended with sludge

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a. Use the diagnostic plots to assess whether the assumptions of normality and constant variance are reasonable in this case

b. Based on your conclusions in part

a, use an appropriate statistical method to test for significant differences in cadmium concentrations for the six rates of application

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Introduction To Probability And Statistics

ISBN: 9780357114469

15th Edition

Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver

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