Question: Main Content A quality analyst wants to construct a sample mean chart for controlling a packagin process. He knows from past experience that the process

Main Content A quality analyst wants to construct

Main Content A quality analyst wants to construct a sample mean chart for controlling a packagin process. He knows from past experience that the process standard deviation is two ounces. Each day last week, he randomly selected four packages and weighed each The data appears below. Day Monday Tuesday Wednesday Thursday Friday Package 1 23 23 20 18 18 Weight Package 2 Package 3 Package 4 22 23 24 21 19 21 19 20 21 19 20 19 20 22 20 What is the overall sample mean? 23.1 21.0 20.6 19.2 20.0 Question 10 (1 point) Saved What is the lower 2-sigma x-bar chart control limit

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