A Study Is to Be Undertaken to Determine the Teacher

question 60

Essay

A study is to be undertaken to determine the teacher workload in the public schools in a large county in California. The target population is all high school teachers (grades 9 - 12) with at least one year of experience. The county contains a total of thirty-seven public high schools and a total of 4,857 teachers. All teachers selected in the sample will be asked to complete a short survey. Describe a sampling plan that would allow the researchers to obtain the desired information.

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Definitions:

Telomeres

The protective end caps of chromosomes that consist of short, simple, non-coding DNA sequences that repeat many times.

Centromeres

Centromeres are regions on a chromosome where spindle fibers attach during cell division, serving as a constriction point that holds sister chromatids together.

Telomerase Catalytic Subunit

A key protein component of telomerase, an enzyme that adds DNA sequence repeats to the telomeres of chromosomes, facilitating cellular replication.

Cell Cycle

A series of phases in the life of a cell, encompassing its growth, DNA replication, and division into two daughter cells.