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Name: A teacher was interested in the number of times her students with ADHD
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Description: A teacher was interested in the number of times her students with ADHD interrupted her class each day. She has 9 students in her class and collected data for 2 weeks. She found the average was µ = 27 and the standard deviation was σ = 1.2. The teac

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 teacher was interested in the number of times her students with ADHD interrupted her class each day. She has 9 students in her class and collected data for 2 weeks. She found the average was µ = 27 and the standard deviation was σ = 1.2. The teacher and students’ parents started the child on a program of behavior therapy in class and at home. After 2 weeks the teacher found the average number of interruptions was 25.

What is the value of Z

Z= -1.67
Z = -5.00
Z = -.133
Z = -15.04

Is there evidence the program was effective. Test the probability of these results using α .05, two tailed.

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