A Proofreader Checked 160 Ads for Grammatical Errors

question 41

Multiple Choice

A proofreader checked 160 ads for grammatical errors.The distribution obtained is shown: At α = .01,what decision would we reach in a goodness-of-fit test to see whether this sample came from a uniform distribution?

• A) Reject the null and conclude the distribution is not uniform.
• B) Conclude that there is insufficient evidence to reject the null.
• C) No conclusion can be made due to small expected frequencies.
• D) No conclusion can be made due to inadequate sample size.

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Definitions:

Relaxation

The process of becoming less tense, stressed, or rigid, both in a physical and psychological sense.

Amplitude

The height or depth of a wave from the average level to the peak or trough, indicating the strength or intensity of the wave.

Microvolts

A unit of electric potential equal to one millionth of a volt, often used in measuring the electrical activity of neurons and muscles.

EEG Experiment

A test or study involving the recording of the electrical activity of the brain through electrodes placed on the scalp.