The Professor of a Business Statistics Class Wanted to Find

question 130

True/False

The professor of a business statistics class wanted to find out the mean amount of time per week her students spent studying for the class.She divided the students into the left,right and center groups according to the location they sat in the class that day.One of these 3 groups was randomly selected and everyone in the group was asked the mean amount of time per week he/she spent studying for the class.This is an example of a cluster sample.

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Definitions:

Cyclic Adenosine Monophosphate

A second messenger important in many biological processes, derived from ATP and used for intracellular signal transduction.

Glucocorticoid

A class of steroid hormones that play a role in regulating metabolism, immune response, and stress response, produced in the adrenal cortex.

Estrogen

A group of hormones that play a key role in the development and regulation of the female reproductive system and secondary sex characteristics.

Transcription Factors

Proteins that regulate gene expression by binding to specific DNA sequences, thereby controlling the transfer of genetic information from DNA to mRNA.