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ASQ CQE Exam - Topic 8 Question 75 Discussion

Actual exam question for ASQ's CQE exam
Question #: 75
Topic #: 8
[All CQE Questions]

Which table should be used to determine a confidence interval on the mean when standard deviation is NOT known and the sample size is 10?

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Suggested Answer: B

by Freeman at Oct 05, 2023, 02:29 PM

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Nan
3 months ago
It's B for sure, trust the t-table!
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Ngoc
3 months ago
I thought it was B too, but why not z for small samples?
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Raymon
4 months ago
Wait, are we sure it's not A? I thought z was for larger samples.
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Hillary
4 months ago
Agreed, t-distribution is the way to go here!
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Eladia
4 months ago
Definitely B, you use the t-table when the standard deviation is unknown.
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Pearlene
4 months ago
Definitely t-table for this question! The sample size is under 30, and we don't know the standard deviation.
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Luis
4 months ago
I’m a bit uncertain about this one. I thought we might use the z-table for larger samples, but 10 seems too small for that.
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Magdalene
5 months ago
I remember practicing a similar question, and I believe the answer is B, the t-table, since the sample size is small.
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Blair
5 months ago
I think we use the t-table when the standard deviation is unknown, but I'm not completely sure.
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Rebbeca
5 months ago
I'm leaning towards the t-table, but I want to double-check my notes to make sure I'm not missing anything important.
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Paola
5 months ago
The key here is that the standard deviation is unknown and the sample size is 10. That means we should use the t-table to find the confidence interval.
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Nobuko
5 months ago
Hmm, I'm a bit confused. I thought we used the z-table when the standard deviation is unknown, but I'm not sure if that applies when the sample size is only 10.
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Tamra
5 months ago
I'm pretty sure we use the t-table for this since the sample size is small and the standard deviation is unknown.
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Alton
5 months ago
I'm a little confused by the wording of this question. Is it asking specifically about determining participants, or is it broader than that? I'll have to re-read it a few times to make sure I understand what they're looking for.
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Isreal
5 months ago
Alright, time to put on my network admin hat. I'm going to carefully review each option and think through the potential causes. Methodical troubleshooting is key here.
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Katina
5 months ago
Using WS-Secure-Conversation sounds familiar; maybe that's the way to go? If I recall, it involves session keys that could reduce the burden on the CA.
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