A Sound Wave in Which Changes in Air Pressure Follow

question 22

Multiple Choice

A sound wave in which changes in air pressure follow a sine wave pattern is known as a(n) ______.

• A)timbre wave
• B)amplitude wave
• C)low noise signal
• D)pure tone

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Definitions:

Square Root

The square root of a number is a value that, when multiplied by itself, gives the original number.

P < 0.05

A statistical threshold indicating that the observed results are significant with a probability of less than 5% being due to chance.

Obtained Value

The actual value measured or computed from a data set or experiment, often compared against a theoretic or critical value in hypothesis testing.

Population Standard Deviation

The population standard deviation is a measure of the dispersion or spread of a set of values within a population, quantifying how much the values differ from the population mean.