Volunteer Samples Are

question 111

Multiple Choice

Volunteer samples are:

• A) preferred to random samples.
• B) not preferred to random samples.
• C) provide similar results to random samples.
• D) allow for greater generalizability than random samples.

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Definitions:

Confidence Level

The percentage or proportion of times that an estimated interval is expected to contain the true value of the parameter.

Interval Estimate

An estimate of a population parameter that specifies a range within which the parameter is estimated to lie.

Population Parameter

Any numerical quantity that characterizes a given population or some aspect of it.

Confidence Interval

A continuum of estimates, garnered from sample data analysis, presumed likely to contain the concealed value of a population trait.