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In SPC, the distribution of “sample means” Cannot be approximated by normal distribution. Will have greater...

In SPC, the distribution of “sample means”

  1. Cannot be approximated by normal distribution.
  2. Will have greater variability than the process distribution.
  3. Will have a mean greater than the process distribution as a function of the sample size.
  4. Is exactly like the original distribution under all circumstances.
  5. None of the above is true.
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Answer #1

Question=In SPC, the distribution of “sample means”

Answer-  None of the above is true.

Reason= In SPC, the distribution of “sample means” can be approximated by normal distribution

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