- Without Any Explanation 3 In Sas Codes File Add Necessary Comments For The Codes In Order For Readers To Understand Y 1 (189.35 KiB) Viewed 18 times
without any explanation! 3) In SAS codes file, add necessary comments for the codes in order for readers to understand your codes. 1. Homework 7.3. Tennis balls are tested in a machine to see how many bounces they can withstand before they fail to bounce 30% of their dropping height. Two brands of balls (W and P) are compared. In addition, the effect of shelf life on these brands is tested. Half of the balls of each brand are 6 months old, the other half, fresh. The data are shown in the table below. Brand Age New Old W 67, 72, 74, 82, 81 46, 44, 45, 51, 43 75, 76, 80, 72, 73 63, 62, 66, 62, 60 1) Carry out a two-way analysis of variance, summarize model statistics, and interpret the results. 2) Plot interaction effect between Age* Brand and interpret the results. 3) Plot main effect of Age and Brand, respectively. Make comments on these plots. 4) Plot diagnostic graphs and check the model assumptions. 5) Write down your final regression model and interpret the results. Aarova