Published by admin at January 6, 2021 statistical control, Constructing the Xbar Chart http://myeclassonline.com/ec/courses/AUO_files/AU_spacer.gif Find the mean of each subgroup Xbar(1), Xbar(2), Xbar(3)… Xbar(k) and the grand mean of all subgroups using: C:UsersadamDesktopmgt340_m8_l3_g1.jpg […]