What is ANCOVA (3/3)? The common slope and adjusted mean
Previous post□ What is ANCOVA (1/3)? The basic concept□ What is ANCOVA (2/3)? How to interpret Parameter Estimates In the previous posts, I explained the basic concept of ANCOVA and how to interpret statistical results. Now, I will discuss the most important concept that is not commonly mentioned. The statistical program provided the following model in the previous posts. Control: y= 9.53 + 0.0558 xFast: y= 6.39 + 0.0558 xSlow: y= 13.10 + 0.0558 x Then, if we apply the mean…