Question: In statistical process control, the hourly samples are taken. The sample means are: 156.46, 199.62.189.31. 102.22 and 11209 respectively. Also, the ranges of these samples

In statistical process control, the hourly
In statistical process control, the hourly samples are taken. The sample means are: 156.46, 199.62.189.31. 102.22 and 11209 respectively. Also, the ranges of these samples are 11.97.12.17. 13.94, 11.86, and 11.83 respectively. In the upper controllimit of X bar chart is 159.11. what is the sample size of cach sample? a 7 Ob None is correct Oc6 Od 5 Oe. 4

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