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IIBA Exam CBDA Topic 1 Question 20 Discussion

Actual exam question for IIBA's CBDA exam

Question #: 20
Topic #: 1

[All CBDA Questions]

An analyst is doing a clinical study on the value of analyte among a large population of healthy people. The analyst is going to use a Gaussian Distribution to share the results. Which of the following represents a Gaussian Distribution?

AD

BA

CC

DB

Show Suggested Answer

Suggested Answer: B

The Gaussian distribution, also known as the normal distribution, is a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean. In graph form, the Gaussian distribution will appear as a bell curve, which is the case with option A. It is characterized by its bell-shaped curve and is defined by the mean () and the standard deviation (). It is a common assumption for the distribution of independent, randomly generated variables.

by Malcom at Sep 12, 2024, 09:26 PM

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Jospeh

6 months ago

I'm no statistician, but even I can tell that B is the Gaussian Distribution. It's like the holy grail of probability distributions.

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Elke

4 months ago

It's the most common distribution used in statistics.

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Louvenia

5 months ago

Yeah, B is the one that looks like a bell curve.

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Fletcher

5 months ago

I think it's called the normal distribution as well.

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Otis

5 months ago

I agree, B is definitely the Gaussian Distribution.

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Lenna

6 months ago

Oh, I see. Thanks for explaining.

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Arlene

6 months ago

Because C represents a Gaussian Distribution.

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Jamie

6 months ago

Option B looks like the perfect fit for a Gaussian Distribution. Now if only my life could be as perfectly distributed as that curve.

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Mollie

6 months ago

Haha, I bet the professor is trying to trick us here. But nope, B is the correct Gaussian Distribution, no doubt about it.

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Clarinda

5 months ago

You're right, B is the correct Gaussian Distribution

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Queen

5 months ago

No, it's not D. I believe it's B

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Paris

6 months ago

I think it's D

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Karl

6 months ago

I remember learning about Gaussian Distributions in my stats class. Definitely option B, can't mistake that symmetric, unimodal shape.

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Dustin

5 months ago

Absolutely, Gaussian Distribution is commonly used in various fields for its properties.

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Nan

5 months ago

It's important to understand the characteristics of different distributions for accurate analysis.

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Gene

6 months ago

Yes, Gaussian Distributions have that symmetric, unimodal shape.

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Edelmira

6 months ago

Option B is correct, it represents a Gaussian Distribution.

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Lenna

6 months ago

Why do you think it's C?

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Nickole

6 months ago

The Gaussian Distribution has that nice bell-shaped curve, so it's gotta be B. That's the one that looks like the classic bell curve.

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Nelida

6 months ago

Yeah, B definitely represents a Gaussian Distribution with that bell-shaped curve.

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Francine

6 months ago

I agree, B looks like the classic bell curve.

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Arlene

6 months ago

I believe it's C.

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Lenna

7 months ago

I think the answer is B.

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