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Find the upper control limit for a range chart if n = 4 and the average range
is 2.282.
Suggested Answer: C
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7 comments · newest first
HO
Hoa
11 months ago
How did we get to 4.564 though?
ST
Stephane
12 months ago
Totally agree, B is the answer!
FA
Fausto
12 months ago
Wait, are we sure about that?
ED
Edelmira
12 months ago
I think it's 4.564, seems right.
GL
Glory
1 year ago
The formula for UCL is D4 * average range.
ST
Stephaine
1 year ago
Ah, I think I've seen this before. The error message suggests the application is using the wrong signature version, so I'll probably go with option B.
EM
Emily
1 year ago
Hmm, I'm not sure about this one. I'll have to think it through carefully.