Which Device Would a Sleep Researcher Use to Monitor a Sleeping

question 125

Multiple Choice

Which device would a sleep researcher use to monitor a sleeping person's brain waves?

• A)electromyogram (EMG)
• B)electrocardiogram (EKG)
• C)electro-oculogram (EOG)
• D)electroencephalogram (EEG)

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Definitions:

Margin of error

An indicator of the precision of an estimate, representing the range within which the true population parameter is expected to lie with a certain confidence level.

Confidence interval

A reach of numerical outputs, from sampling statistics, with the potential to cover the hidden value of a population parameter.

True proportion

The actual ratio or fraction of individuals or items within a population that possesses a particular characteristic.

Random sample

A sample drawn from a population in such a way that every member of the population has an equal chance of being selected.