Find the Variance of the Probability Distribution for the Histogram

question 243

Multiple Choice

Find the variance of the probability distribution for the histogram:

• A) Var (
• X) = 3.67
• B) Var (
• X) = 1.61
• C) Var (
• X) = 3.3
• D) Var (
• X) = 1.86

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Definitions:

Discouraged

Feeling a loss of confidence or enthusiasm; disheartened.

Disruptive Mood Dysregulation Disorder

A childhood condition characterized by severe temper outbursts and persistent irritability.

Bipolar Disorder

A mental disorder marked by extreme mood swings from manic highs to depressive lows, affecting one’s energy, judgment, and ability to think clearly.

Manic Phase

A period of abnormally elevated mood, energy, and activity levels, typically seen in bipolar disorder, characterized by excessively high self-esteem, decreased need for sleep, and increased talkativeness.