A Scientist Is Hoping to Compare the Mean Levels of DDT

question 66

Multiple Choice

A scientist is hoping to compare the mean levels of DDT toxin found in three species of fish in a local river. He randomly samples 50 of each species to use in the analysis. For each fish, he measures the amount of DDT toxin present. Ideally he will be able to rank the species based on the mean level of toxin found in each of the three species. How many factors are present in this study?

• A) 1
• B) 50
• C) 6
• D) 3

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Definitions:

Kinesthetic

Relating to kinesthesia, which is the sense that detects bodily position, weight, or movement of the muscles, tendons, and joints.

Perception

The cognitive process of interpreting sensory information to represent and understand the environment around us.

Vestibular

Pertaining to the vestibular system in the inner ear, responsible for providing the leading contribution to the sense of balance and spatial orientation for the purpose of coordinating movement.

Homeostatic

Referring to the self-regulating processes that biological systems use to maintain stability while adjusting to conditions that are optimal for survival.