For a Random Variable X,the Mean Value of the Squared

question 138

Multiple Choice

For a random variable X,the mean value of the squared deviations of its values from their expected value is called its ____________.

• A)Standard deviation
• B)Mean
• C)Probability
• D)Variance

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Definitions:

Nonverbal Communication

The process of conveying a message without the use of words, through gestures, facial expressions, and body language.

Selective Listening

The process where an individual consciously or subconsciously chooses to pay attention only to certain messages or parts of a conversation while ignoring others.

Cognitive Dissonance

The psychological discomfort experienced when holding two or more conflicting cognitions (ideas, beliefs, values, emotional reactions).

Horizontal Messages

Communication that occurs between colleagues or departments at the same level within an organization, facilitating coordination and collaboration.