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A control chart will be used to monitor the number of scratches on a product. The following data have been collected:
The appropriate control chart to use is:
Suggested Answer: F
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12 comments · newest first
NA
Natalie
11 months ago
I agree, p chart makes the most sense for count data!
NI
Nieves
11 months ago
Wait, are we sure about that? Seems off to me.
KE
Kenneth
12 months ago
Definitely x-bar and R for continuous data, right?
LA
Lashaun
12 months ago
I think np chart is more suitable here.
KA
Katina
12 months ago
Looks like we need a p chart for this!
KR
Kristine
1 year ago
I feel like the individual and moving range chart could be relevant here, but I'm not completely confident about that choice.
BR
Brendan
1 year ago
I practiced a similar question, and I believe the x-bar and R chart is for measuring averages, not counts like this one.
AL
Alishia
1 year ago
I'm a bit unsure, but I remember something about using the c chart for counts of defects per unit.
MA
Margery
1 year ago
I think we should use the np chart since we're monitoring the number of scratches, which is a count of defects.
DE
Devora
1 year ago
Hmm, this looks like a tricky one. I'll need to think carefully about the different HPE 3PAR StoreServ technologies and how they might impact database transaction logs.
JA
Jacquline
1 year ago
I'm leaning towards B as well. Not selecting any group seems like it would be the same as selecting none of the groups. But I'm not 100% certain, so I'll double-check my understanding before submitting.
BR
Broderick
1 year ago
I'm pretty sure the default isolation level in Oracle 12c is read committed, but I'll double-check the documentation to be sure.