A High School Guidance Counselor Analyzed Data from a Sample

question 45

Essay

A high school guidance counselor analyzed data from a sample of 900 community colleges throughout the United States. One of his goals was to estimate the annual tuition costs of community colleges in the United States. Describe the population and variable of interest to the guidance counselor.

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Definitions:

Larynx

The hollow muscular organ forming an air passage to the lungs and holding the vocal cords; the voice box.

External Nares

The external openings of the nasal cavity, commonly known as nostrils, through which air enters and exits.

Trachea

Air tube extending from the larynx into the thorax, where it divides to form the bronchi; composed of 16–20 rings of hyaline cartilage.

Nasal Conchae

Curved bony projections located within the nasal cavity that help to increase the surface area for humidifying and filtering inhaled air.