A quality analyst wants to construct a sample mean chart for controlling a packaging process Each day last week, she randomly selected four packages and weighed each The data from that activity representing the weight in ounces appear below Day Package 1 Package 2 Package 3 Package 4 Monday 23 22 23 22 Tuesday 22 22 20 21 Wednesday 21 22 22 22 Thursday 22 21 20 22 Friday 20 21 22 20 Is the process in control considering 2 sigma for variations due to natural causes No, the process is not in control There is insufficient information to make a decision The process is both in control and capable The process is in control but not capable Yes, the process is in control

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

A quality analyst wants to construct a sample mean chart for controlling a packaging process. Each day last week, she randomly selected four packages and weighed each. The data from that activity representing the weight in ounces appear below.

Day	Package 1	Package 2	Package 3	Package 4
Monday	23	22	23	22
Tuesday	22	22	20	21
Wednesday	21	22	22	22
Thursday	22	21	20	22
Friday	20	21	22	20

Is the process in control considering +/- 2 sigma for variations due to natural causes?

		No, the process is not in control.
		There is insufficient information to make a decision.
		The process is both in control and capable.
		The process is in control but not capable.
		Yes, the process is in control.

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