The Decibel, a Measure of Loudness, Is Related to the Relative

question 37

Multiple Choice

The decibel, a measure of loudness, is related to the relative intensity of sound by the formula Decibels Relative intensity) .
If relative intensity is multiplied by 104.71, how are decibels affected?
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• A) Decibels are increased by 20.2.
• B) Decibels are decreased by 2.02.
• C) Decibels are increased by 2.02.
• D) Decibels are decreased by 20.2.

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Definitions:

Confidence Limit

The range within which a population parameter is estimated to lie with a certain confidence level.

Population Variances

The measure of the spread of a population's data points from their mean.

Sample Variances

The measure of variability that quantifies the spread of data points in a sample dataset around the mean.

Population Variances

The measure of how data points in an entire population are spread out, calculated as the average of the squared differences from the mean.