In Selecting a Random Sample from a Population,a Researcher Must

question 33

Multiple Choice

In selecting a random sample from a population,a researcher must

• A)allow chance to determine the size of the sample.
• B)sacrifice control by disregarding information about the population.
• C)make sure every member of the population has an equal chance of being chosen for the sample.
• D)select most sample members from the middle of any ordered listing.

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Definitions:

Chlorinated Hydrocarbons

Chemical compounds containing chlorine, carbon, and hydrogen, which are used in industrial applications but can be harmful to the environment and health.

Pesticides

Chemical substances used to kill or control pests including insects, weeds, and disease-causing organisms, in agricultural and residential settings.

Contact Insecticides

Chemical substances that kill insects upon direct contact.

Rodenticide

A chemical or agent used to kill rodents.