Question: Please STEP BY STEP (**NO EXCEL**) A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past

Please STEP BY STEP (**NO EXCEL**)
Please STEP BY STEP (**NO EXCEL**) A quality
A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that whenever this 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 randomly selected four packages and weighed each: What is the mean of the sampling distribution of sample means when this process is in control? Day Monday Tuesday Wednesday Thursday Friday Selected Answer: Answers: 21 ounces 18 ounces 19 ounces 20 ounces 23 23 20 18 18 Weight (ounces) 22 23 21 19 19 20 19 20 20 22 24 21 21 19 20

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