Facial Expressions Are

question 83

Multiple Choice

Facial expressions are

• A)the easiest nonverbal messages to decode accurately.
• B)often difficult to understand because of their rapid rate of change.
• C)rarely genuine and therefore impossible to decode.
• D)limited; relatively few emotions are shown in the face.
• E)usually more sincere if they last more than 10 seconds.

---

Definitions:

Gym Visits

A count of the number of times an individual attends a gym or fitness center within a specified period.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how spread out the values are from the mean.

Poisson Random Variable

Represents the number of events occurring within a fixed interval of time or space, assuming these events happen at a constant rate and independently of the time since the last event.

Expected Value

The expected value is the long-run average value of repetitions of an experiment it represents, often used in probability and statistics.