​The Approximate Class Width for a Frequency Distribution Involving Quantitative

question 54

Multiple Choice

​The approximate class width for a frequency distribution involving quantitative data can be determined using the expression

• A) ​mean frequency/total frequency.
• B) ​total frequency/class midpoint.
• C) ​range/desired number of classes.
• D) ​desired number of classes/class midpoint.

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Definitions:

Psychological Dysfunction

A deviation from normal cognitive, emotional, or behavioral functioning, which can lead to distress or impairment in important areas of life.

Negative Affectivity

One of five trait domains associated with personality disorders in the DSM-5, it is characterized by a tendency to feel negative emotions such as anxiety, depression, and suspicion.

Anxiety

A psychological and physiological state characterized by somatic, emotional, cognitive, and behavioral components, which is often the result of stress and worry.

Depression

A common mental disorder characterized by persistent sadness, loss of interest in activities, and a range of physical and cognitive symptoms.