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.
Definitions:
Pink Flowers
Plant blooms characterized by their pink pigmentation, often resulting from varying phytochemical compositions and genetic factors.
Crossing-Over
A process during meiosis where two chromosomes exchange segments of their genetic material to create genetic diversity.
Normal Wings
Wings that exhibit the standard form and functioning appropriate for a particular species, as opposed to mutations or deformities.
Polygenic Trait
A trait that is influenced by multiple genes, often resulting in a continuous range of possible phenotypes.
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