ASQ CSSBB Exam - Topic 7 Question 40 Discussion

Actual exam question for ASQ's CSSBB exam

Question #: 40
Topic #: 7

[All CSSBB Questions]

Find the upper control limit for a range chart if n = 4 and the average range

is 2.282.

A2.282

B4.564

C5.208

D3.423

Show Suggested Answer

Suggested Answer: C

by Heike at May 06, 2022, 10:46 AM

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Hoa

7 months ago

How did we get to 4.564 though?

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Stephane

7 months ago

Totally agree, B is the answer!

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Fausto

7 months ago

Wait, are we sure about that?

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Edelmira

7 months ago

I think it's 4.564, seems right.

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Glory

8 months ago

The formula for UCL is D4 * average range.

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Stephaine

8 months 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.

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Emily

8 months ago

Hmm, I'm not sure about this one. I'll have to think it through carefully.

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