Exhibit 13-7 The Following Is Part of an ANOVA Table, Which Was

question 72

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.
-Guitars R. US has three stores located in three different areas. Random samples of the sales of the three stores (in $1000) are shown below: At a 5% level of significance, test to see if there is a significant difference in the average sales of the three stores. (Please note that the sample sizes are not equal.)

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Definitions:

Glottis

The opening between the vocal cords.

Pleura

The thin membrane that covers the lungs and lines the chest cavity, facilitating smooth respiratory movements.

Alveoli

Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.

Pharynx

A part of the neck and throat situated behind the mouth and nasal cavity, crucial for respiratory and digestive pathways.