A Sample of Experienced Typists Revealed That Their Mean Typing

question 29

Multiple Choice

A sample of experienced typists revealed that their mean typing speed is 87 words per minute and the median is 73. The standard deviation is 16.9 words per minute. What is the Pearson's coefficient of skewness?

• A) -2.5
• B) -4.2
• C) +4.2
• D) +2.5

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Definitions:

Exposure Hierarchy

A list organized in an ascending order of fear-inducing stimuli or situations, used in exposure therapy to gradually desensitize individuals to their phobias or anxieties.

Anti-Anxiety Medication

Drugs prescribed to alleviate symptoms of anxiety by affecting neurotransmitter activity in the brain.

Imaginal Exposure

A therapeutic technique in which individuals are guided to vividly imagine and confront the stimuli or situations associated with their fears or traumas.

SUDS

An acronym for Subjective Units of Distress Scale, a tool to measure the severity of distress or anxiety an individual experiences.