Answered: A special education teacher did…

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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A special education teacher did research on whether or not there is a relationship between the number of students in his class and the number incidents of “acting out” behaviors exhibited by the autistic students in the classroom. He collects data for a year and aggregates them by month. He obtained the statistics below,

r= -.863

R2=.74

b= -1.212294

a= 131.176598

10.) How does the presence of more students affect the incidents in the class?

a) as students are added the incidences increase

b) as students are added the incidences decrease

c) the number of students does not affect acting out

d) the number of students caused more incidents

How much of the variability of acting out is explained by the number of students in the class?___________

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