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

question 106

Multiple Choice

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, what type of test should be performed?

• A) Lower-tail test
• B) Upper-tail test
• C) Two-tail test
• D) None of the above

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