When a Researcher Is Not Sure If People Who Responded

question 19

Multiple Choice

When a researcher is not sure if people who responded to the survey are different from those who did not respond,this brings into question the issue of:

• A)inappropriate sample size.
• B)systematic bias.
• C)nonresponse bias.
• D)refusal bias.

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Definitions:

Binomial Random Variable

A type of random variable that arises from a binomial experiment, representing the number of successes in a fixed number of independent Bernoulli trials.

Sampling Distribution

Distribution probabilities of a given statistic, ascertained through random sampling.

Standard Deviation

An indicator of the extent of variability or spread within a collection of numbers, illustrating the degree to which these numbers diverge from one another in a dataset.

Normal Curve

A bell-shaped curve that represents the distribution of a set of data that is symmetrically distributed around the mean.