ASQ Exam CSSBB Topic 4 Question 77 Discussion

Actual exam question for ASQ's CSSBB exam

Question #: 77
Topic #: 4

A set of data from a process has 8 readings per sample and 50 samples. The mean of the 50 sample means is 12.62. The mean of the 50 ranges is 0.18.Find control limits for the R chart.

A0.10 and 0.25

Bnone and 0.33

C0.02 and 0.33

Dnone of the above

Show Suggested Answer

Suggested Answer: A

by Josphine at Nov 25, 2023, 04:55 PM

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Corinne

17 days ago

Hmm, the mean of the 50 sample means is 12.62 and the mean of the 50 ranges is 0.18. That's a lot of information to work with! I'm going to go with option C - it just feels right.

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Margarett

3 days ago

I think option C is the correct one.

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Skye

22 days ago

Why do you think that, Luis?

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Zona

22 days ago

This is a tricky one! The data set has 8 readings per sample and 50 samples, so the sample size is important. I'm leaning towards option C, but I'll need to double-check the formulas to be sure.

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Glory

9 days ago

I think the correct answer is A) 0.10 and 0.25.

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Luis

26 days ago

I disagree, I believe the answer is C) 0.02 and 0.33.

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Skye

28 days ago

I think the answer is A) 0.10 and 0.25.

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