A specialists in college education wants know whether the undergraduates in small, private colleges form a uniform distribution, with equal numbers of students in each of the four classes: freshman,sophomore, junior, and senior. He samples, at random, 4500 undergraduates from such colleges and finds: 1,200 freshmen, 1,100 sophomores, 1, 150 juniors, and 1 ,050 seniors. Do a chi-square goodness-of-fit test at alpha = 0.05, using a critical-value decision rule, of Ho: The frequencies of students in the four classes form a uniform distribution.
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