4. A Quality Analyst wants to construct variable control chart to check if the packaging process is under control Below is information about the five samples selected by the quality analyst Sample X-bar 1 8.51 0.44 8.37 0.58 8.42 0.66 4 8.61 0.47 8.54 0.60 If the lower control limit for X-bar chart is 8.34, what is the sample size?

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4. A Quality Analyst wants to construct variable control chart to check if the packaging process
is under control. Below is information about the five samples selected by the quality analyst
Sample
X-bar
R
1
8.51
0.44
8.37
0.58
3.
8.42
0.66
8.61
0.47
8.54
0.60
If the lower control limit for X-bar chart is 8.34, what is the sample size?
4,
Transcribed Image Text:4. A Quality Analyst wants to construct variable control chart to check if the packaging process is under control. Below is information about the five samples selected by the quality analyst Sample X-bar R 1 8.51 0.44 8.37 0.58 3. 8.42 0.66 8.61 0.47 8.54 0.60 If the lower control limit for X-bar chart is 8.34, what is the sample size? 4,
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