THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 41

Multiple Choice

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 juniors and seniors 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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Definitions:

Concentration Differences

Variations in the amount of a particular substance across different spaces or mediums, often leading to diffusion.

Higher Concentration

Refers to a situation where there is a greater amount of solute per unit volume of solvent in one part of a solution or mixture compared to another.

Inside Cell

Pertaining to the internal environment or components within a cell, including organelles, cytoplasm, and genetic material.

Plasma Membrane

This is a protective double lipid layer encasing the cytoplasm of a cell, overseeing the transportation of substances across the cell boundary.