In 2000,the student body of a state university in Michigan consists of 30% freshmen,25% sophomores,27% juniors,and 18% seniors.A sample of 400 students taken from the 2000 student body showed that there are 138 freshmen,88 sophomores,94 juniors,and 80 seniors.Test with 5% significance level to determine whether the student body proportions have changed.
H₀: _______________________________________________________
H₁: _______________________________________________________
Test statistic = ____________________
Critical Value = ____________________
Conclusion: ___________________________

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The Answer of In 2000,the student body of a state university in Michigan consists of 30% freshmen,25% sophomores,27% juniors,and 18% seniors.A sample of 400 students taken from the 2000 student body showed that there are 138 freshmen,88 sophomores,94 juniors,and 80 seniors.Test with 5% significance level to determine whether the student body proportions have changed. H₀: _______________________________________________________ H₁: _______________________________________________________ Test statistic = ____________________ Critical Value = ____________________ Conclusion: ___________________________

In 2000,the Student Body of a State University in Michigan