Could you help me to identify three situations in which the

Could you help me to identify three situations in which the measured output of a process has a small variation and three situations in which the variation is larger (for instance, the time for a phone call to ring the other phone versus the time to speak to a person when making a service call).

Solution

small variation

- when you have your limits of control equal to the limits of specifications

- when you have a SD very small ( because the variation depends of standard deviation)

- when you have the mean and SD very closert

variation is larger

- when you have the SD very larger

- when the SD and mean are very sperated

when you a very bad Accuracy