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IASSC Exam ICBB Topic 4 Question 90 Discussion

Actual exam question for IASSC's ICBB exam
Question #: 90
Topic #: 4
[All ICBB Questions]

The reported Cpk for a process with an average of 98 units, a spread of 16 units and upper and lower specification limits of 115 and 90 units would be?

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Suggested Answer: C

by Louvenia at May 03, 2025, 09:44 PM

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Mose
2 months ago
Actually, the correct answer is D) 1.25. The Cpk value indicates how well a process can meet the specifications, and in this case, it exceeds 1.00.
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Rory
3 months ago
This question is making my head spin. I need to remember the Cpk formula - something about standard deviations and spec limits. You know what, I'm just going to go with D) 1.25 and hope the examiner has a sense of humor.
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Lura
1 months ago
I'll go with B) 0.75 and hope for the best. Good luck to all of us!
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Bettina
1 months ago
I remember Cpk is a measure of process capability, but I'm not sure about the exact calculation.
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Gracia
2 months ago
Yeah, it's a bit confusing. I'm going with D) 1.25 and hoping for the best.
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Lilli
2 months ago
I think the Cpk formula involves standard deviations and spec limits.
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Orville
3 months ago
Hey, isn't Cpk just another way of saying 'Can't Possibly Know'? I'm going to go with B) 0.75 and hope for the best. At least it's not as bad as E) 'Completely Perplexed'.
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Alecia
3 months ago
I'm not sure, but I think the Cpk value should be higher than 1.00 for a good process capability.
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Stephane
3 months ago
Okay, let's break this down. If the process average is 98 and the spread is 16, that means the process is well within the spec limits. I'd say the Cpk has got to be 1.25. Nailed it!
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Nakita
2 months ago
Actually, the Cpk would be 1.00. The process is well within the spec limits.
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Lonny
2 months ago
I agree with you, the Cpk would be 0.75 in this case.
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Lenny
2 months ago
I think it's actually 0.75. The process is not quite hitting the upper spec limit.
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Sabina
3 months ago
Wait, wasn't Cpk something to do with how well your process is centering between the spec limits? I'm pretty sure the answer is C) 1.00. Gotta love those statistics questions, am I right?
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Gaston
3 months ago
I think the answer is C) 1.00.
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Glenn
3 months ago
Hmm, let me think about this. The spread is 16 units, and the spec limits are 115 and 90 units. I think that's going to give us a Cpk value of around 1.00. Sounds about right to me.
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Margart
2 months ago
Yes, the Cpk value of 1.00 seems to make sense given the average, spread, and spec limits.
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Cordell
2 months ago
I think you're right, the Cpk value is likely 1.00 based on the given information.
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Cherry
3 months ago
I agree, the Cpk value should be around 1.00 with those specifications.
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