Humans Can Hear Wave Frequencies Between _____ Hertz (Hz)

question 13

Multiple Choice

Humans can hear wave frequencies between _____ hertz (Hz) .

• A) 15 and 15,000
• B) 15,000 and 20,000
• C) 20 and 20,000
• D) 20,000 and 25,000

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Definitions:

Special Causes

Unusual sources of variation in a process that are not part of the process as it was designed and generally need to be identified and eliminated.

Statistical Process Control

A method of quality control which employs statistical methods to monitor and control a process, helping ensure that the process operates at its fullest potential.

Variation

The measure of dispersion in a dataset, showing how much individual data points differ from the mean.

Special Causes

Unusual, non-random factors that cause variability in a process, distinct from common causes.