Exhibit 12-2: Last school year, the student body of a local university consisted

Q: Exhibit 12-2: Last school year, the student body of a local university consisted

Solution: In the classifications between the last school year and this school year ,Refer to Exhibit 12-2. At 95% confidence, the null hypothesis should not be rejected

ID: 3204198 • Letter: E

Question

Exhibit 12-2: Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors. A sample of 300 students taken from this year's student body showed the following number of students in each classification. Freshmen 83 Sophomores 68 Juniors 85 Seniors 64 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. Refer to Exhibit 12-2. At 95% confidence, the null hypothesis

Explanation / Answer

Solution:

In the classifications between the last school year and this school year ,Refer to Exhibit 12-2. At 95% confidence, the null hypothesis should not be rejected

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Exhibit 12-2 Last school year, the student body of a local university consisted

Exhibit 12-4 In the past, 35% of the students at ABC University were in the Busi

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Exhibit 12-2: Last school year, the student body of a local university consisted

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