Question 3.A pediatrician wants to determine the relation that exists between a child'sheight x, and head circumference, y. She randomly selects 11 children fromher practice, measures their heights and head circumferences, and obtains thefollowing data. (Using Excel)(Please copy the summary output of each part of your answer of Excel andthen find the answer.)Height(inches),x27.7524.525.5262527.7526.52726.7526.7527.5Head Circumference(inches), y17.517.117.117.316.917.617.317.517.317.517.5a) Find the least-squares regression line treating height as the explanatoryvariable and head circumferences as the response variable.b) Interpret the slope and y-intercept, if appropriate.c) Use the regression equation to predict the head circumference of a childwho is 25 inches tall.d) Compute the residual based on the observed head circumference of the25-inch-tall child in the table. Is the head circumference of this childabove average or below average?e) Draw the least-square regression line on the scatter diagram of the dataand label the residual from part(d).f) Would it be reasonable to use the least-square regression line to predictthe head circumference of a child who was 32 inches tall? Why or whynot?

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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