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 (g) below. Click the icon to view the children's data. (a) Find the least-squares regression line treating height as the explanatory variable and head circumference as the response variable. ŷ=x+ (Round the slope to three decimal places and round the constant to one decimal place as needed.) Data Table Height (inches), x Head Circumference (inches), y 28 24.5 25.25 26.25 25 28.25 26.25 27 26.75 26.75 28 Print 17.5 17.0 17.1 17.5 16.8 17.5 17.2 17.5 17.2 17.5 17.5 Done - X
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 (g) below. Click the icon to view the children's data. (a) Find the least-squares regression line treating height as the explanatory variable and head circumference as the response variable. ŷ=x+ (Round the slope to three decimal places and round the constant to one decimal place as needed.) Data Table Height (inches), x Head Circumference (inches), y 28 24.5 25.25 26.25 25 28.25 26.25 27 26.75 26.75 28 Print 17.5 17.0 17.1 17.5 16.8 17.5 17.2 17.5 17.2 17.5 17.5 Done - X
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter3: Straight Lines And Linear Functions
Section3.CR: Chapter Review Exercises
Problem 15CR: Life Expectancy The following table shows the average life expectancy, in years, of a child born in...
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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 (g) below.
Click the icon to view the children's data.
(a) Find the least-squares regression line treating height as the explanatory variable and head circumference as the response variable.
y=x+
(Round the slope to three decimal places and round the constant to one decimal place as needed.)
w an example Get more help.
...
Height (inches), x Head Circumference (inches), y
17.5
28
24.5
17.0
25.25
17.1
26.25
17.5
25
16.8
28.25
17.5
26.25
17.2
27
17.5
26.75
17.2
26.75
17.5
28
17.5
Print
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