A Chi-Square Test for Goodness-Of-Fit Is Used to Test Whether

question 82

Multiple Choice

A chi-square test for goodness-of-fit is used to test whether or not there are any preferences among 3 brands of peas. If the study uses a sample of n = 60 subjects, then the expected frequency for each category would be:

• A) 20
• B) 30
• C) 60
• D) 33

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Definitions:

Cerebral Cortex

The outer layer of the cerebrum composed of gray matter and consisting mainly of nerve cell bodies.

Alpha Rhythm

A pattern of smooth, regular electrical oscillations in the human brain typically occurring when a person is awake but relaxed, usually in the frequency range of 8-12 Hz.

Theta Rhythm

A pattern of brainwave activity, typically in the range of 4-8 Hz, associated with stages of sleep and meditative states.

Limbic System

In vertebrates, an action system of the brain. In humans, plays a role in emotional responses, motivation, sexual behavior, autonomic responses, and biological rhythms.