A pediatrician wants to determine the relation that exists between a child's height, x, and head circumference, y. She randomly selects 11 children from her practice, measures their heights and head circumferences, and obtains the accompanying data. Complete parts (a) through (9) below. Click the icon to view the children's data. (a) Find the leastrsquares regression line treating height as the explanatory variable and head circumference as the response variable. v= 0.171x+(12.936| (Round the slope to three decimal places and round the constant to one decimal place as needed.)