A table of values can be used to help calculate R-chart control limits because the constants have been determined from the sampling distribution of R so that ________.
A) D4 =
- 3sR and D3
=
+ 3sR
B) D4 =
+ 3sR and D3
=
- 3sR
C) D4 =
- sR and D3
=
+ sR
D) D =
± A2R.
Correct Answer:
Verified
Q25: The Q26: The Q27: The R-chart monitors the variability in the Q28: Control limits are based on _. Q29: Find the control limits for the R-chart Q31: The control limits for the Q32: Find the control limits for the Q33: To construct and use any control chart,first Q34: Find the control limits for the R-chart Q35: Find the control limits for the
A)past process
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