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An aerobics instructor was interested in the effect of the aerobics class on student’s weight.  The instructor weighted eight students as they arrived for the first class.  At the end of the 5-week class each of the eight students were weighed again.

An aerobics instructor was interested in the effect of the aerobics class on student’s weight.  The instructor weighted eight students as they arrived for the first class.  At the end of the 5-week class each of the eight students were weighed again.

MATLAB: An Introduction with Applications
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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6)  An aerobics instructor was interested in the effect of the aerobics class on student’s weight.  The instructor weighted eight students as they arrived for the first class.  At the end of the 5-week class each of the eight students were weighed again.  

a)  State the Hypothesis to show students lost weight during the aerobics course.

b)  The student’s weights from before and after the class are shown below  Use JMP to test the hypothesis of part a). 

c)  Using alpha= 0.05, draw a conclusion for the hypothesis test and state the conclusion in the context of the problem.

Student After Before
Justin 194 198
Christopher 151 154
Andrea 126 124
Megan 104 110
Diana 123 127
Scott 155 162
Sandy 129 141
Ian 165 180
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