TABLE 12-16 A Filling Machine at a Local Soft Drinks Company Is

question 57

True/False

TABLE 12-16
A filling machine at a local soft drinks company is calibrated to fill the cans at a mean 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 0.5 ounces. A random sample of 15 cans filled by the machine reveals a standard deviation of 0.67 ounces.
-Referring to Table 12-16, the decision is to reject the null hypothesis when using a 5% level of significance.

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Definitions:

Epiglottis

Plate of elastic cartilage covered with mucous membrane; serves as a valve over the glottis of the larynx during swallowing.

Larynx

The voice box; a structure in the throat containing the vocal cords, responsible for producing sound and protecting the airway during swallowing.

Cardiac Sphincter

A muscular valve located between the esophagus and the stomach, preventing acid reflux from the stomach back into the esophagus.

Pyloric Sphincter

Thickening of the circular layer of the gastric musculature encircling the junction between the stomach and duodenum; also called pylorus.