TABLE 12-14 A Filling Machine at a Local Soft Drinks Company Is

question 182

True/False

TABLE 12-14
A filling machine at a local soft drinks company is calibrated to fill the cans at an average amount of 12 fluid ounces and a standard deviation of 0.5 ounces. The company wants to test whether the standard deviation of the amount filled by the machine is indeed 0.5 ounces. A random sample of 15 cans filled by the machine reveals a standard deviation of 0.67 ounces.
-Referring to Table 12-14, there is sufficient evidence to conclude that the standard deviation of the amount filled by the machine is not exactly 0.5 ounces when using a 10% level of significance.

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Definitions:

Vestibule

The area in the inner ear between the semicircular canals and the cochlea.

Semicircular Canals

Structures in the inner ear that help a person maintain balance; each of the three canals is positioned at right angles to the other two.

Cochlea

A spiral-shaped canal in the inner ear that contains the hearing receptors.

Lacrimal Glands

Small, almond-shaped glands located in the upper outer part of each eye that produce tears, which help lubricate and protect the surface of the eye.