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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

Question 51

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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a stratified random sample of students on a campus,sample members were asked to rate,on a scale of 1 (poor) to 5 (excellent) ,opportunities for improving the college infrastructure.The results are shown in the table below.
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: In a stratified random sample of students on a campus,sample members were asked to rate,on a scale of 1 (poor) to 5 (excellent) ,opportunities for improving the college infrastructure.The results are shown in the table below. -If a total sample of 150 students is taken,determine the number of freshmen and sophomores under the optimum allocation scheme,assuming that the stratum population standard deviations are the same as the corresponding sample values. A) 89.15 B) 71.86 C) 38.48 D) 60.85
-If a total sample of 150 students is taken,determine the number of freshmen and sophomores under the optimum allocation scheme,assuming that the stratum population standard deviations are the same as the corresponding sample values.


A) 89.15
B) 71.86
C) 38.48
D) 60.85

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