The Local Amusement Park Was Interested in the Average Wait

question 19

Multiple Choice

The local amusement park was interested in the average wait time at their most popular roller coaster at the peak park time (2 p.m.) . They selected 13 patrons and had them get in line between 2 and 3 p.m. Each was given a stopwatch to record the time they spent in line. The times recorded were as follows (in minutes; mean = 114.15) : 118, 124, 108, 116, 99, 120, 148, 118, 119, 121, 45, 130, 118.
What is the variance?

• A) 103
• B) 23.62
• C) 557.97
• D) 128.8
• E) 115

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Definitions:

Endocrine System

A network of glands in the body that produce and release hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development and function.

Ductless Glands

Glands that secrete hormones directly into the bloodstream rather than through ducts, also known as endocrine glands.

Hormones

Chemical messengers produced by the endocrine glands that regulate various bodily functions, such as growth, metabolism, and mood.

Cerebral Cortex

The outer layer of the brain's cerebrum, involved in complex thought processes, perception, and motor function.