THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 35

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 optimum allocation scheme,assuming that the stratum population standard deviations are the same as the corresponding sample values.

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Definitions:

Social Stratification

A system by which a society ranks categories of people in a hierarchy based on factors like wealth, income, race, education, and power.

Industrialized Societies

Societies characterized by a high level of industrialization, technological advancement, and a significant portion of the economy devoted to manufacturing and services.

Work Ethic

A set of values centered on the importance of hard work and diligence, often considered as a virtue or moral belief.

Culture Of Poverty

A theory that suggests poverty creates a unique set of values, behaviors, and attitudes that perpetuate poverty across generations.