QUESTION 1 A quality analyst wants to construct a sample mean chart for controlling a packaging 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 from that activity appear below Weight Day Package 1 Package 2 Package 3 Package 4 Monday 23 22 23 24 Tuesday 23 21 19 21 Wednesday 20 19 20 21 Thursday 18 19 20 19 Friday 18 20 22 20 Based on the x bar chart, is this process in control Process is in control Process is out of control Process is almost within control limits We don't have enough information

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Question: QUESTION 1 A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that the process

QUESTION 1

A quality analyst wants to construct a sample mean chart for controlling a packaging 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 from that activity appear below.

	Weight
Day	Package 1	Package 2	Package 3	Package 4
Monday	23	22	23	24
Tuesday	23	21	19	21
Wednesday	20	19	20	21
Thursday	18	19	20	19
Friday	18	20	22	20

Based on the x-bar chart, is this process in control?

		Process is in control
		Process is out of control
		Process is almost within control limits
		We don't have enough information

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