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In a test of the ability of a certain polymer to remove toxic wastes from water, experiments were conducted at three different temperatures (low, medium, high). The data below give the percentage of the impurities that were removed by the polymer in 15 independent attempts and the incomplete rank values for each observation. Low Rank Medium Rank High Rank 42 35 28 1 41 42 30 40 34 32 4 40 38 35 6.5 29 42 46 15 R, = V R2 = W R3 = 29.5 i. Calculate Vand W. ii. Perform an appropriate hypothesis test at a 1% significance level. You must state the hypothesis and conclusion within the context of the dataset; it reflects your ability to apply the above problem.

In a test of the ability of a certain polymer to remove toxic wastes from water, experiments were conducted at three different temperatures (low, medium, high). The data below give the percentage of the impurities that were removed by the polymer in 15 independent attempts and the incomplete rank values for each observation. Low Rank Medium Rank High Rank 42 35 28 1 41 42 30 40 34 32 4 40 38 35 6.5 29 42 46 15 R, = V R2 = W R3 = 29.5 i. Calculate Vand W. ii. Perform an appropriate hypothesis test at a 1% significance level. You must state the hypothesis and conclusion within the context of the dataset; it reflects your ability to apply the above problem.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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3. In a test of the ability of a certain polymer to remove toxic wastes from water, experiments were conducted at three different temperatures (low, medium, high). The data below give the percentage of the impurities that were removed by the polymer in 15 independent attempts and the incomplete rank values for each observation. Low Rank Medium Rank High Rank 42 35 28 1 41 42 30 40 34 32 4 40 38 35 6.5 29 42 46 15 R, = V R2 = W R3 = 29.5 i. Perform an appropriate hypothesis test at a 1% significance level. You must state the hypothesis and conclusion within the context of the dataset; it reflects your ability to apply the above problem. Calculate Vand W. ii.
Transcribed Image Text:3. In a test of the ability of a certain polymer to remove toxic wastes from water, experiments were conducted at three different temperatures (low, medium, high). The data below give the percentage of the impurities that were removed by the polymer in 15 independent attempts and the incomplete rank values for each observation. Low Rank Medium Rank High Rank 42 35 28 1 41 42 30 40 34 32 4 40 38 35 6.5 29 42 46 15 R, = V R2 = W R3 = 29.5 i. Perform an appropriate hypothesis test at a 1% significance level. You must state the hypothesis and conclusion within the context of the dataset; it reflects your ability to apply the above problem. Calculate Vand W. ii.
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