A random sample of students is asked their opinions on a proposed core curriculum change The results are as follows Opinion Class Favoring Opposing Freshman 120 80 Sophomore 70 130 Junior 60 70 Senior 40 60 Test the hypothesis that the proportions in the opinions on the change are the same for all year levels Use

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A random sample of students is asked their opinions on a proposed core curriculum change. The results are as follows. Opinion Class Favoring Opposing Freshman

A random sample of students is asked their opinions on a proposed core curriculum change. The results are as follows.

	Opinion
Class	Favoring	Opposing
Freshman	120	80
Sophomore	70	130
Junior	60	70
Senior	40	60

Test the hypothesis that the proportions in the opinions on the change are the same for all year levels. Use

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