TABLE 12-20 A Filling Machine at a Local Soft Drinks Company Is

question 11

Multiple Choice

TABLE 12-20
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 12-20,which is the appropriate test to use?

• A)χ² test of independence
• B)McNemar test
• C)Wilcoxon rank sum test
• D)χ² test of population variance

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