Which of the Following Is Not a Characteristic of the Normal

question 81

Multiple Choice

Which of the following is not a characteristic of the normal probability distribution?

• A) The mean, median, and the mode are equal
• B) The mean of the distribution can be negative, zero, or positive
• C) The distribution is symmetrical
• D) The standard deviation must be 1

---

Definitions:

Adventitious Sounds

Unusual sounds heard during respiration, such as crackles, wheezes, or stridor, which are indicative of respiratory conditions.

Trachea Bifurcate

The point at which the trachea splits into two bronchi, facilitating air passage into the lungs.

Sternal Angle

A palpable anatomical landmark also known as the angle of Louis, where the manubrium meets the body of the sternum, used in clinical assessments.

Suprasternal Notch

A visible dip or hollow at the base of the neck, above the sternum, where the clavicles meet.