Maurice Tutor

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About Maurice Tutor

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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 12 Oct 2017 My Price 6.00

Plaster Moulds and Castings

The article “Towards Improving the Properties of Plaster Moulds and Castings” (J. Engr. Manuf., 1991: 265–269) describes several ANOVAs carried out to study how the amount of carbon fiber and sand additions affect various characteristics of the molding process. Here we give data on casting hardness and on wet-mold strength.

a. An ANOVA for wet-mold strength gives SS Sand = 705, SSFiber = 1278, SSE = 843, and SST = 3105. Test for the presence of any effects using α = .05

b. Carry out an ANOVA on the casting hardness observations using α = .05. c. Plot sample mean hardness against sand percentage for different levels of carbon fiber. Is the plot consistent with your analysis in part (b)?

 

Answers

Maurice Tutor
(5)
Status NEW Posted 12 Oct 2017 10:10 AM My Price 6.00

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