Answered: An academic advisor at a university was…

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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3) An academic advisor at a university was studying student class attendance and would like to know if class attendance depends on school. The advisor obtained attendance records for 23 students (6 from engineering, 9 from business, and 8 from arts and sciences) for the fall term. The advisor determines the total number of lectures missed by each student The data appears below.

a) Use JMP to fit a one-way ANOVA to the data. Using a = 0.05 draw a conclusion for the ANOVA. Make sure you state your conclusion in the context of the problem.

b) Use tukey’s test with a = 0.05 to determine which schools students have significantly differently absence rates.

c. Determine with a = 0.05 if the variance in absences is different by School.

School	Absences
Engineering	8
Engineering	10
Engineering	6
Engineering	8
Engineering	4
Engineering	8
Business	5
Business	3
Business	6
Business	7
Business	7
Business	6
Business	2
Business	8
Business	1
ArtsandSciences	9
ArtsandSciences	10
ArtsandSciences	10
ArtsandSciences	9
ArtsandSciences	7
ArtsandSciences	5
ArtsandSciences	13
ArtsandSciences	7