A 80-DB Sound Carries More Energy Than a 40-DB Sound

question 28

Multiple Choice

A 80-dB sound carries more energy than a 40-dB sound by a factor of

• A) 2.
• B) 40.
• C) 400.
• D) 10,000.

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Definitions:

Random Sample

A sample drawn in such a way that every member of the population has an equal chance of being selected, leading to a representative subset.

"Hook Up" Culture

A societal pattern that accepts and encourages casual sexual encounters, including one-night stands and other related activity, without necessarily including emotional bonding or long-term commitment.

Random Sampling

A method of selecting a sample from a population in such a way that every individual has an equal probability of being chosen.

Representative Sample

A representative sample is a subset of a population that accurately reflects the members of the entire population.