Stat 231 Exam 3 F10 Key

Stat 231 Exam 3 F10 Key - Stat 231 Exam 3 Fall 2010 I have...

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1 Stat 231 Exam 3 Fall 2010 I have neither given nor received unauthorized assistance on this exam. ________________________________________________________ Name Signed Date _________________________________________________________ Name Printed
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2 This exam concerns the analysis of some data of Prof. I-Cheng Yeh on compressive strength of concrete specimens of different formulas at various curing times. Only part of Prof. Yeh's data is being considered, consisting of 749 n cases from a larger data set that can be found at http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength The predictors 3 1 3 2 3 3 4 cement content of mixture (kg/m ) blast furnace slag content of mixture (kg/m ) fly ash content of mixture (kg/m ) water content of x x x x 3 3 5 3 6 3 7 mixture (kg/m ) superplasticizer content of mixture (kg/m ) coarse aggregate content of mixture (kg/m ) fine aggregate content of mixture (kg/m ) an x x x 8 d age of specimen (days) x are available for use in the modeling of concrete specimen compressive strength (MPa) y Use the JMP reports in this exam in answering the questions posed herein.
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Stat 231 Exam 3 F10 Key - Stat 231 Exam 3 Fall 2010 I have...

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