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

question 91

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, which is the appropriate test to use?

• A) X²-test of independence
• B) McNemar test
• C) Wilcoxon rank sum test
• D) X²-test of population variance

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