Question: What formula do I use and why? How do I calculate it? Explanation 17 TB MC Qu. 10-87 A quality analyst wants to construct a

What formula do I use and why? How do I calculate it?

Explanation 17 TB MC Qu. 10-87 A quality analyst wants to construct a sampl... A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that whenever this 0/0.9 process is in control, package weight is normally distributed with a mean of 20 ounces and a standard deviation of two ounces. Each day last week, he points awarded randomly selected four packages and weighed each Scored Day Monday Tuesday Wednesday Thursday Friday Weight (ounces) 23 22 23 24 23 21 19 21 20 19 20 18 19 20 19 18 20 22 20 21 eBook Print If he uses upper and lower control limits of 22 and 18 ounces, what is his risk (alpha) of concluding this process is out of control when it is actually in control (Type I error)? References Multiple Choice x 0.0026 O O 0.0456 Explanation 17 TB MC Qu. 10-87 A quality analyst wants to construct a sampl... A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that whenever this 0/0.9 process is in control, package weight is normally distributed with a mean of 20 ounces and a standard deviation of two ounces. Each day last week, he points awarded randomly selected four packages and weighed each Scored Day Monday Tuesday Wednesday Thursday Friday Weight (ounces) 23 22 23 24 23 21 19 21 20 19 20 18 19 20 19 18 20 22 20 21 eBook Print If he uses upper and lower control limits of 22 and 18 ounces, what is his risk (alpha) of concluding this process is out of control when it is actually in control (Type I error)? References Multiple Choice x 0.0026 O O 0.0456

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