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ASQ CQE Exam - Topic 2 Question 67 Discussion

Actual exam question for ASQ's CQE exam
Question #: 67
Topic #: 2
[All CQE Questions]

Given that the population standard deviation is 6.8, what sample size is required to be 90% confident that the estimated mean has an error less than 0.02?

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Suggested Answer: A

by Marvel at Mar 19, 2023, 11:39 PM

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Joaquin
4 months ago
B seems more reasonable, but I could be wrong.
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Dominga
4 months ago
Totally agree, the larger the sample, the better the accuracy!
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Matt
4 months ago
Wait, 312k? That seems way too high!
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Solange
4 months ago
I think it's A, 312,761 sounds right.
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Destiny
5 months ago
I feel like the sample size is going to be really large since the error is so small, but I’m not confident in my calculations.
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Willow
5 months ago
This question feels similar to one we practiced in class, but I can't recall the exact steps to calculate the sample size.
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Kenneth
5 months ago
I think we need to use the z-score for 90% confidence, which is around 1.645, but I’m not completely sure how to apply that here.
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Merrilee
5 months ago
I remember something about using the formula for sample size with standard deviation and margin of error, but I’m not sure if I got the numbers right.
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Leslee
5 months ago
I think the answer might be one of the lower options since the population standard deviation isn't that high, but I need to double-check my calculations.
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Thersa
5 months ago
I feel like the sample size is going to be really large since the error margin is so small, but I can't remember the specific calculations we practiced.
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Ruth
5 months ago
I think we need to use the formula involving the z-score for 90% confidence, but I'm a bit unsure about how to apply it here.
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Claribel
5 months ago
I remember we did a similar problem in class, but I can't recall the exact formula for calculating sample size.
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Maurine
5 months ago
Promoting responsibility throughout the enterprise for managing IT risk seems like the most logical primary motivation to me. That aligns with the overall purpose of an IT risk management framework.
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Melvin
5 months ago
Okay, let's think this through step-by-step. We need to recommend a solution to prevent PII from being shared, and the question mentions data loss prevention (DLP) policies and sensitivity label policies as potential components. I'm leaning towards those, but I'll double-check the other options as well.
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Ozell
5 months ago
Hmm, this seems straightforward. I think the answer is B, k=10, since that's a common choice for k-fold cross-validation.
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