QMB 3200 Exam 2024 Questionns With Complete Solutions!

Describes a model with a few number of terms - ANSWERSParsimonious model True slope of line in simple linear regression - ANSWERSBeta1 A large sample - ANSWERSN greater than 30 # of dumy variables required to represent a QL var at 3 levels - ANSWERS2 Computer software used to generate your project printout - ANSWERSStatistix 9.0 ANOVA - ANSWERSAnalysis of Variance When 2 or more Independent variable are highly correlated - ANSWERSWhat is multicollinearty The coefficient of determination - ANSWERSR^2 The tester's choice, usually .05 - ANSWERSAlpha A measure of central tendency in the population - ANSWERSMew The value of R2 in simple linear regression when x and y are uncorrelated - ANSWERS0 Squared or not, it measures dispersion in the population - ANSWERSSigma (SD) Decision made about Ho when alpha exceeds the p-value - ANSWERSReject Ho A type II error - ANSWERSAccepting Ho when Ho is false Rejecting Ho when Ho is true - ANSWERSType I error In theory, the proportion of 90% CI's for mean that capture the true mean - ANSWERS90% Unobservable regression error - ANSWERSEpsilon -error # of treatements in ANOVA with 2 factors SEX (M,F) & race (W, NW) - ANSWERS4 Descri