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. Height (inches), x Head Circumference (inches), y 28 17.6 24.75 17.2 25.75 17.2 26 17.6 25 17.1 27.75 17.7 26.75 17.4 27 17.6 26.75 17.4 26.75 17.6 27.5 17.6
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.
Height (inches), x Head Circumference (inches), y
28 17.6
24.75 17.2
25.75 17.2
26 17.6
25 17.1
27.75 17.7
26.75 17.4
27 17.6
26.75 17.4
26.75 17.6
27.5 17.6
1. ŷ= ___x+ _____
2. Compute the
r = ____
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