Question: ___ The lower and upper control limits for an Xchart for a process are 20.914 and 22.017 respectively. Consider thefollowing two samples: Sample 1: 21.8,

___

The lower and upper control limits for an Xchart for a process are 20.914 and 22.017 respectively. Consider thefollowing two samples:

Sample 1: 21.8, 21.2, 23.1, 21.8, 22.7, 21.4

Sample 2: 22.5, 20.1, 21.6, 20.3, 20.6, 21.3

Which sample(s) signal the process is out of control?

Neither sample

Sample 1only

Sample 2only

Both samples

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