Essay
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a stratified random sample of students on a small campus,sample members were asked to rate,on a scale of 1 (poor)to 5 (excellent),opportunities for extracurricular activities.The results are shown in the table below.
-If a total sample of 120 students is taken,determine the number of juniors and seniors under the proportional allocation scheme.
Correct Answer:
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n2 = 
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Correct Answer:
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× n ...
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