Maurice Tutor

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About Maurice Tutor

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Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 2 Days Ago
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 26 Oct 2017 My Price 9.00

presence of hard alloy

The presence of hard alloy carbides in high chromium white iron alloys results in excellent abrasion resistance, making them suitable for materials handling in the mining and materials processing industries. The accompanying data on x = retained austenite content (%) and y = abrasive wear loss (mm3 ) in pin wear tests with garnet as the abrasive was read from a plot in the article “MicrostructureProperty Relationships in High Chromium White Iron Alloys” (Intl. Materials Reviews, 1996: 59–82)

Use the data and the SAS output above to answer the following questions.

a. What proportion of observed variation in wear loss can be attributed to the simple linear regression model relationship?

b. What is the value of the sample correlation coefficient?

c. Test the utility of the simple linear regression model using α = .01.

d. Estimate the true average wear loss when content is 50% and do so in a way that conveys information about reliability and precision. e. What value of wear loss would you predict when content is 30%, and what is the value of the corresponding residual?

Answers

Maurice Tutor
(5)
Status NEW Posted 26 Oct 2017 11:10 AM My Price 9.00

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