Abnormal behavior is the statistically uncommon pattern of behavior within a particular culture.
The psychological abnormal people are not able to perform daily life functions with ease and accuracy.
A person may experience emotional distress because he is not able to perform his daily life functions which a normal person can perform.
If a person is in emotional distress his normal routine work will also be disturbed due mental stress.
There will be statistical variation in routine works which he performs in daily life.
The correct answer is D. Statistical Variation
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<span>A new effective law in January 2015 requires that children aged 4 and 5 travel in a booster seat.
Children up to the age of three must be secured in a separate carrier (child safety seat) or in an integrated child safety seat. <span>For children aged 4 to 5 years, a separate carrier, an integrated child safety seat or a seat belt may be used.</span></span>