Stat 875 Homework Solution 11: Regression Analysis - Prof. Xiaomi Hu, Assignments of Statistics

Download Stat 875 Homework Solution 11: Regression Analysis - Prof. Xiaomi Hu and more Assignments Statistics in PDF only on Docsity! Stat 875 HW11 1. p264 6.1 (a) Calculate the estimated effects of A, B, C, A*B, A*C, B*C, A*B*C, and rank their importance based on the absolute values of the es- timates from the largest one to the smallest one. Rank 1 2 3 4 5 6 7 Effect Estimate (b) Rank the importance of A, B, C, A*B, A*C, B*C and A*B*C based on the p-values in ANOVA table from the smallest one to the largest one. Rank 1 2 3 4 5 6 7 Effect p-value (c) Present the parameter part of the SAS output for proc reg; that verifies the estimates in (a) and p-values in (b) 2. Consider data in table 6.7 on p269 (a) Present a table of all estimated effects by running SAS proc reg; (b) Based on the result in (a) create an ANOVA table with columns: Source, DF, SS and rows: Model, Error, C. Total for a model that has 5 most important effects. 1