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CEE 110 11 PS8 Solutions

CEE 110 11 PS8 Solutions - UNIVERSITY OF CALIFORNIA LOS...

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UNIVERSITY OF CALIFORNIA, LOS ANGELES Civil and Environmental Engineering Department CEE 110 Introduction to Probability and Statistics for Engineers Spring Quarter 2011 MW 12-4 PM Franz 1178 Prof. K. D. Stolzenbach 5732J Boelter Hall, 206-7624 [email protected] Problem Set 8 Solutions _____________________________________________________________________________ 1. a) ˆ σ 2 = MS E = SS E n 2 = SS T ˆ β 1 S xy n 2 = y i 2 n y 2 ˆ β 1 S xy n 2 = 0.143275 18 = 0.00796 b) c) d) e) 1) The parameter of interest is the regressor variable coefficient, β 1 . 2) 3) 4) α = 0.05 5) The test statistic is
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