A Simple Random Sample of 28 Observations Was Taken from a Large

question 74

Multiple Choice

A simple random sample of 28 observations was taken from a large population. The sample mean equaled 50. Fifty is a _____.

• A) population parameter
• B) point estimator
• C) sample parameter
• D) point estimate

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Definitions:

Dependent Variable

In an experiment, it is the variable being tested and measured, which is expected to change due to manipulation of the independent variable.

Independent Variable

A variable in an experiment that is manipulated by the researcher to observe its effect on the dependent variable.

Control Variable

An element that is kept constant or regulated to minimize its impact on the outcome of an experiment.

Naturalistic Observation

An investigative technique where individuals are watched in their natural surroundings without any interference from the person conducting the study.