Question: A quality analyst wants to construct a control chart for controlling a packaging process. Each day last week, he randomly selected four packages and weighed

A quality analyst wants to construct a control
A quality analyst wants to construct a control chart for controlling a packaging process. Each day last week, he randomly selected four packages and weighed each. The data from that activity appear below. Welght Day Package 1 Package 2 Package 3 Package 4 Monday 23 22 23 24 Tuesday 23 21 25 21 Wednesday 24 23 25 28 Thursday 18 19 20 19 Friday 18 20 22 20 a. What is the mean of all the sample means? Select b. Calculate upper and lower 3-sigma x-bar chart control limits that allow for natural variations Select c. Based on the x-bar chart, is this process in control? Select d. Calculate upper and lower limits for R-chart. Select ! e Is the range chart in control? Select MacBook Air DOO 000 F4 FS 16 0/

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