Apediatrician wants to determine the relation that may exist between a child's height and head circumference. she randomly selects 5 children and measures their height and head circumference. the data are summarized below. complete parts (a) through (f) below. height (inches), x 26.5 27.5 27 25 25.5 head circumference (inches), y 17.3 17.5 17.5 16.9 17.1 (a) treating height as the explanatory variable, x, use technology to determine the estimates of beta 0 and beta 1.