A Scientist Is Hoping to Compare the Mean Levels of DDT

question 36

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. Identify the response variable in this study.

• A)The scientist
• B)The amount of DDT in a fish
• C)The three fish species
• D)The number of fish

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Definitions:

Stagnation

A period of inactivity or lack of progress, often marked by a lack of innovation, growth, or development.

Social Identity

An individual's sense of who they are, based on their group memberships, such as social, cultural, and occupational groups.

International Student

A student who attends an educational institution in a country where they are not a citizen.

Menarche

The beginning of reproductive capability in a female, indicated by the first menstruation.