"Statistical Notation for the Mean of X

question 11

Multiple Choice

"Statistical notation for the mean of X." What statistic is this a glossary definition of?

• A)(X-bar)
• B)Ψ_X (psi
• C)∑X (sigma
• D)X_β (X-beta)
• E)μ (mu)

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Definitions:

Basic Emotions

Those core affects that have old neurobiological underpinnings. According to Izard, they include joy/happiness, interest, sadness, anger, disgust, and fear.

Expressive Behaviors

Actions or gestures that convey emotions, feelings, or attitudes without the use of verbal communication.

Joy/Happiness

A state of well-being and contentment characterized by feelings of pleasure and satisfaction.

Reactive, Difficult Infants

Infants who are particularly likely to react negatively to new situations or stimuli and are generally more challenging to soothe or calm.