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PeopleCert CSQA Exam - Topic 2 Question 86 Discussion

In control charts, accepted practice uses a width of _________________________around the population mean (?) to establish the control limits.
C) Plus or minus three standard deviations
A) Plus or minus one standard deviation
B) Plus or minus two standard deviations
D) Plus or minus four standard deviations
E) Plus or minus five standard deviations

PeopleCert CSQA Exam - Topic 2 Question 86 Discussion

Actual exam question for PeopleCert's CSQA exam
Question #: 86
Topic #: 2
[All CSQA Questions]

In control charts, accepted practice uses a width of _________________________around the population mean (?) to establish the control limits.

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Suggested Answer: C

by Barney at May 02, 2024, 09:12 AM

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Mee
9 months ago
Four standard deviations? That seems excessive!
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Angelyn
9 months ago
I've always learned it as three, makes sense.
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Christiane
9 months ago
Wait, are we sure it's not two standard deviations?
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Garry
10 months ago
Totally agree, that's the standard for control limits.
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Louvenia
10 months ago
It's plus or minus three standard deviations!
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Reuben
10 months ago
I definitely recall that two standard deviations is common, but I also remember something about three being used for more stringent control limits.
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Deeanna
10 months ago
I’m a bit confused; I thought it was plus or minus one standard deviation for some types of charts, but that might just be for process capability.
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Tarra
10 months ago
I remember practicing with control charts, and I feel like three standard deviations is the standard for most cases.
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Danica
11 months ago
I think control limits are usually set at plus or minus two standard deviations, but I'm not entirely sure.
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Hyun
11 months ago
Plus or minus three standard deviations, that's the one! I remember learning that in my quality control class. Control charts need to have limits that are wide enough to capture normal variation, but not so wide that they miss important changes in the process. Three sigma is the sweet spot.
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Royce
11 months ago
Okay, let me think this through step-by-step. Control charts are used to monitor process variability, and the control limits are set to capture a certain percentage of the data. I believe the most common practice is to use three standard deviations, which would capture around 99.7% of the data. I'll go with that.
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Bev
11 months ago
Hmm, I'm a bit unsure about this one. I know control charts have something to do with standard deviations, but I can't remember the exact number they use. I'll have to think this through carefully.
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Sabra
11 months ago
I'm pretty sure the accepted practice is to use plus or minus three standard deviations around the population mean to establish the control limits. That's the standard rule I've learned.
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Yuki
11 months ago
Hmm, I'm a bit confused on this one. I need to double-check the details of the scenario and make sure I fully understand the ethical restrictions for CFEs in this type of situation.
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Juliana
11 months ago
Hmm, I'm a bit confused on the differences between these SAP encapsulations. I'll need to review my notes to be sure.
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Darrin
1 year ago
D) Plus or minus four standard deviations? Sounds like the acceptable range for my sleep schedule during exam week. I'm going with C, but I might need those extra deviations later.
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Edgar
1 year ago
D) Plus or minus four standard deviations
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Wilford
1 year ago
C) Plus or minus three standard deviations
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Vallie
1 year ago
B) Plus or minus two standard deviations
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Maira
1 year ago
A) Plus or minus one standard deviation
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Marylyn
1 year ago
E) Plus or minus five standard deviations? Wow, might as well just ditch the control chart and let the process run wild! What, are we trying to catch Godzilla here?
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Candida
1 year ago
Aha! C) Plus or minus three standard deviations, of course. Anything less and it would be too narrow, anything more and it would be overkill. Nailed it!
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Delsie
1 year ago
Definitely, it's important to have control limits that are not too narrow or too wide.
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Kami
1 year ago
Agreed, it provides a good balance between sensitivity and specificity.
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Nan
1 year ago
I think you're right, C) Plus or minus three standard deviations is the accepted practice for control charts.
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Galen
1 year ago
D) Plus or minus four standard deviations? Really? That seems way too wide to be considered 'accepted practice'. I'm going with C, just to be safe.
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Tamekia
1 year ago
C) Plus or minus three standard deviations
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Iluminada
1 year ago
B) Plus or minus two standard deviations
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Marge
1 year ago
A) Plus or minus one standard deviation
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Ailene
1 year ago
Hmm, I was thinking it was B) Plus or minus two standard deviations. But now I'm second-guessing myself. This control chart stuff can be tricky.
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Justine
1 year ago
Yeah, I'm pretty sure it's C) Plus or minus three standard deviations as well.
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Patti
1 year ago
I agree, I remember learning that the control limits are usually set at three standard deviations.
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Nettie
1 year ago
I think it's actually C) Plus or minus three standard deviations.
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Daniela
1 year ago
I'm pretty sure the correct answer is C) Plus or minus three standard deviations. That's the standard practice for control charts, right?
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Dustin
1 year ago
Using three standard deviations is a good balance between sensitivity and specificity.
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Nidia
1 year ago
It helps in identifying outliers and maintaining process stability.
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Paris
1 year ago
That's right, three standard deviations is commonly used for control limits.
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Leonida
1 year ago
Yes, you're correct. It is C) Plus or minus three standard deviations.
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Belen
1 year ago
I'm not sure, but I think it might be C) Plus or minus three standard deviations for a wider range.
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Stanford
1 year ago
I agree with Marylou, using two standard deviations is a common practice for control limits.
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Marylou
1 year ago
I think the answer is B) Plus or minus two standard deviations.
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