If the Distance Between a Point Sound Source and a DB

question 1

Multiple Choice

If the distance between a point sound source and a dB detector is increased by a factor of 4,what will be the reduction in intensity level?

• A)16 dB
• B)12 dB
• C)4 dB
• D)0.5 dB

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Definitions:

Two-way Table

A table that displays data collected from two variables, providing a basis for examining relationships between them.

SAS Proficiency

The level of skill or expertise one has in using the Statistical Analysis System (SAS), a software suite used for advanced analytics, multivariate analysis, business intelligence, and data management.

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Expected Counts

The theoretical frequency of occurrences in each category of a contingency table under the assumption of independence in a chi-square test.