I for a Goodness-Of-fiT Test, the Number of Degrees of Freedom

question 28

Multiple Choice

i. For a goodness-of-fit test, the number of degrees of freedom is determined by k - 2, where k is
The number of categories.
ii. The sum of the expected frequencies in a goodness-of-fit test need not equal the sum of the
Observed frequencies.
iii. If the computed value of chi-square is less than the critical value, reject the null hypothesis at a
Predetermined level of significance.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Emotionality

The observable behavioral and physiological component of emotion; the degree to which a person can be characterized as emotional.

Fast Pathway

A term used in psychology and neuroscience referring to the rapid processing of sensory information by the brain, often associated with automatic or instinctive reactions.

Sensory Information

Data received by the sensory organs (e.g., eyes, ears, skin, nose, tongue) that is then interpreted by the brain to form perceptions of the environment.

Thalamus

A brain structure that acts as a relay station for sensory information, excluding smell, to the cerebral cortex.