(a) With x= representative age and y = median distance walked in 6 minutes, construct a scatterplot. y 20 20 750 750 15 700 700 15 650 650 10 10 600 600 550 550 o 550 600 650 700 750 5. 10 15 20 10 15 20 550 600 650 700 750 Does the pattern in the scatterplot look linear? O The scatterplot shows a curved pattern. O The scatterplot shows a linear pattern. O The scatterplot shows no pattern at all. (b) Find the equation of the least-squares line that describes the relationship between median distance walked in 6 minutes and representative age. (Round your values to four decimal places.) (c) Calculate the five residuals. (Round your answers to three decimal places.) Representative Age (x) Residual 4 10 13.5 17 Construct a residual plot. Residual 40 Residual Residual 40 Residual 40 40 20 20 20 20 -20 - -20 -20 -20 10 15 10 15 10 15 10 15

(a) With x= representative age and y = median distance walked in 6 minutes, construct a scatterplot. y 20 20 750 750 15 700 700 15 650 650 10 10 600 600 550 550 o 550 600 650 700 750 5. 10 15 20 10 15 20 550 600 650 700 750 Does the pattern in the scatterplot look linear? O The scatterplot shows a curved pattern. O The scatterplot shows a linear pattern. O The scatterplot shows no pattern at all. (b) Find the equation of the least-squares line that describes the relationship between median distance walked in 6 minutes and representative age. (Round your values to four decimal places.) (c) Calculate the five residuals. (Round your answers to three decimal places.) Representative Age (x) Residual 4 10 13.5 17 Construct a residual plot. Residual 40 Residual Residual 40 Residual 40 40 20 20 20 20 -20 - -20 -20 -20 10 15 10 15 10 15 10 15

Name: Two hundred and eighty boys completed a test that measures the distan
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Description: Two hundred and eighty boys completed a test that measures the distance that the subject can walk on a flat, hard surface in 6 minutes. For each age group shown in the table, the median distance walked by the boys in that age group is also given.Rep

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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