The Lowest Tone Produced by a Certain Organ Comes from a 3.0-M

question 17

Multiple Choice

The lowest tone produced by a certain organ comes from a 3.0-m pipe with both ends open. If the speed of sound is 340 m/s, the frequency of this tone is approximately:

• A) 7 Hz
• B) 14 Hz
• C) 28 Hz
• D) 57 Hz
• E) 70 Hz

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Definitions:

Statistical Tests

Procedures in statistics used to determine whether hypotheses about data sets can be supported or not.

External Validity

The extent to which the results of a study can be generalized to other situations and to other people outside of the experimental setting.

Observer Bias

A form of research bias that occurs when an observer's expectations or preconceptions affect their interpretation of the subjects' behaviours or outcomes.

Life Expectancy

The average period that a person is expected to live based on demographic factors such as age, gender, and health conditions.