The Number of Degrees of Freedom for the Appropriate Chi-Square

question 118

Multiple Choice

The number of degrees of freedom for the appropriate chi-square distribution in a test of independence is

• A)k (n − 1)
• B)k-1
• C)(number of rows - 1) * (number of columns - 1)
• D)a chi-square distribution is not used in a test of independence
• E)none of the above

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Definitions:

High-Pitched Sounds

Sounds that have a high frequency, typically perceived as sharp or squeaky, and are often more easily noticed or can be bothersome to the ear.

Handedness

Refers to the preference of using one hand over the other for performing activities, commonly categorized into right-handedness, left-handedness, and ambidexterity.

Preschool Years

A developmental period in early childhood, typically ranging from ages 3 to 5, characterized by growth in social, cognitive, and motor skills as children prepare for elementary education.

Dexterity

Skill and ease in using the hands or body; the coordination of fine or gross motor abilities.