Regarding the Decibel Rating System for Sounds, Every 20 Decibels

question 648

Multiple Choice

Regarding the decibel rating system for sounds, every 20 decibels has the effect of increasing the sound pressure by a factor of

• A)two
• B)five
• C)10
• D)20

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Definitions:

Effect Size

A quantitative measure of the strength of a phenomenon, used to ascertain the practical significance of research findings.

Statistically Significant

A determination that a result from data analysis has a low probability of occurring by chance, indicating a meaningful difference or relationship.

Practical Importance

Refers to the relevance and applicability of an idea, research finding, or theory to real-world situations.

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data, commonly using the mean, median, or mode.