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

question 1

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:

Mechanoreceptors

Specialized sensory cells or nerve endings that respond to mechanical stimuli such as pressure, vibration, and stretch.

Hair Cells

Specialized sensory cells found in the inner ear that convert sound vibrations into electrical signals that the brain can interpret.

Sound Volume

The perceived loudness of a sound, typically measured in decibels.