Exhibit 13-7
the Following Is Part of an ANOVA Table $\alpha$

question 44

Essay

Exhibit 13-7
The following is part of an ANOVA table, which was the results of three treatments and a total of 15 observations.
-Six observations were selected from each of three populations. The data obtained is shown below:
Test at $\alpha$ = 0.05 level to determine if there is a significant difference in the means of the three populations.

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Definitions:

Loudness

The perception of the intensity of sound waves, often measured in decibels, as experienced by a listener.

Amplitude

The height or strength of a wave signal, which in the context of sound, determines its loudness.

Sound Wave

A type of pressure wave generated by vibrating objects, which travels through a medium (such as air or water) and is perceived as sound when it reaches a human ear.

Timbre

The quality of a sound that distinguishes it from other sounds of the same pitch and volume.