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Last school year, the student body of a local university consisted of 3 0 % freshmen, 2 4 % sophomores, 2 6 % juniors, and
Last school year, the student body of a local university consisted of freshmen, sophomores, juniors, and seniors. A sample of students taken from this year's student body showed the following number of students in each classification.
tableFreshmenSophomoresJuniorsSeniors
We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year.
a State the null and the alternative hypotheses.
b Compute the test statistic.
c Using the value approach, what is your conclusion? Let
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