ASQ CSSGB Exam - Topic 1 Question 76 Discussion

Actual exam question for ASQ's CSSGB exam

Question #: 76
Topic #: 1

When a Belt is analyzing sample data she should keep in mind that 95% of Normally Distributed data is within +/- 2 Standard Deviations from the Mean.

ATrue

BFalse

Show Suggested Answer

Suggested Answer: A

by Eura at Oct 29, 2025, 02:23 AM

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Bernadine

2 months ago

But the question specifies Normally Distributed data. True is the right choice!

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Vi

2 months ago

I’m not so sure. What if the data isn’t normal?

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Nana

2 months ago

Agreed! 95% within +/- 2 SD is standard.

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Sharan

2 months ago

Nope, it's actually true. Standard stuff in stats!

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Claribel

2 months ago

Totally agree, classic normal distribution rule.

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Letha

3 months ago

That's true, 95% within 2 SDs!

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Daren

3 months ago

Haha, this question is making my head spin. I'll just guess and hope for the best.

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Caitlin

4 months ago

B) False, because 95% is way too low for normal distribution. It's gotta be higher than that.

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Shad

4 months ago

Wait, is this a trick question? I'm going to go with my gut and say A) True.

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Janna

4 months ago

Hmm, I thought it was +/- 3 standard deviations. Time to brush up on my statistics!

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German

4 months ago

A) True, that's the standard for normal distribution.

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Renato

4 months ago

B) False, it's actually +/- 3 standard deviations.

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Carey

4 months ago

True, that's the 68-95-99.7 rule for normal distribution.

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Alison

5 months ago

I remember the 95% part, but I’m not confident about the +/- 2 standard deviations.

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Chara

5 months ago

I’m leaning towards true, but I could be mixing it up with the empirical rule.

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Barrett

5 months ago

I’m not entirely sure, but I feel like we practiced a question like this in class. It might be true.

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Sherrell

5 months ago

I think it's true. It’s a basic concept in statistics.

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Lemuel

6 months ago

I thought it was just 90%. Are you sure?

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Marti

6 months ago

Wait, is it really 95%? Sounds high!

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Huey

6 months ago

I think this is true, but I remember something about 68% being within 1 standard deviation too.

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Zona

6 months ago

Easy peasy! This is a classic normal distribution fact. The answer is definitely True.

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Chery

7 months ago

I'm not totally sure about this one. I'll have to think it through step-by-step to make sure I understand it correctly before answering.

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Caprice

7 months ago

Okay, I've got this. The key is knowing that 95% of normally distributed data falls within 2 standard deviations of the mean. So the answer must be True.

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Tommy

7 months ago

Wait, I'm a bit confused. Is this asking about the percentage or the standard deviations? I need to re-read the question carefully.

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Refugia

7 months ago

Hmm, this seems like a straightforward stats question. I'll remember the 95% rule for normal distributions and apply that here.

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Terrilyn

1 month ago

Right? It’s all about understanding the distribution.

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Richelle

1 month ago

Can’t believe some might say B) False!

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Sena

2 months ago

Agreed! It’s a fundamental concept.

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Brock

5 months ago

Definitely! The 95% rule is key in stats.

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Gennie

5 months ago

I think the answer is A) True.

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