Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 13 Jan 2018 My Price 8.00

dirty motor oil

Washing. For his final project, Jonathan examined the effects of two factors on how well stains are removed when washing clothes. On each of 16 new white handkerchiefs, he spread a teaspoon of dirty motor oil (obtained from a local garage). He chose 4 Temperature settings (each of which is a combination of wash and rinse: cold-cold, cold-warm, warm-hot, and hot-hot) and 4 Cycle lengths (short, med short, med long, and long). After its washing, each handkerchief was dried in a dryer for 20 minutes and hung up. He rounded up 10 family members to judge the handkerchiefs for cleanliness on a scale of 1 to 10 and used the average score as his response. Here are the data:

 

You may assume, as Jonathan did, that interactions between Temperature and Cycle are negligible. Write a report showing what you found about washing factors and stain removal.

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Maurice Tutor
(5)
Status NEW Posted 13 Jan 2018 08:01 PM My Price 8.00

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