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 ( e ) the data tablea) The least- squares regression line is ?

Full data set Head Head Height, x circumference, Height, x circumference, (inches) y (inches) (inches) y (inches) 27.75 17.5 27 17.3 24.5 17.1 27.5 17.5 25.5 17.1 26.75 17.3 26 17.1 26.75 17.5 25 16.9 27.5 17.5 27.75 17.6