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IIBA Exam CBDA Topic 4 Question 29 Discussion

Actual exam question for IIBA's CBDA exam
Question #: 29
Topic #: 4
[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?

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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 Rima at Jan 10, 2025, 03:46 PM

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Isaac
2 months ago
Haha, I bet the person who wrote this question has a PhD in statistics and lives for this kind of thing. Option B is the way to go!
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Avery
1 months ago
Yeah, Option B represents a Gaussian Distribution in this case.
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Aliza
1 months ago
I agree, Option B is definitely the correct choice.
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Allene
2 months ago
I'm not sure, but I think D might also be a possibility.
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Rickie
2 months ago
I agree with Hubert, B seems to represent a Gaussian Distribution.
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Mozell
2 months ago
I agree, B is definitely the correct answer. The Gaussian distribution is known for its distinctive bell curve shape.
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Raina
2 months ago
Option B looks like the classic bell-shaped curve of a Gaussian distribution. The symmetry and the single peak in the center are the key features.
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Dominga
1 months ago
Option B is definitely the best representation of a Gaussian distribution.
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Youlanda
1 months ago
Option A and C also do not have the classic bell-shaped curve that is typical of a Gaussian Distribution.
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Daren
1 months ago
Yes, the bell-shaped curve is a characteristic feature of a Gaussian distribution.
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Herman
1 months ago
I agree, option B does look like a Gaussian distribution.
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Brynn
1 months ago
I'm not sure, but I think option D doesn't look like a Gaussian Distribution.
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Daisy
2 months ago
Yes, I agree. The bell-shaped curve and symmetry match the characteristics of a Gaussian Distribution.
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Tashia
2 months ago
I think option B is the correct representation of a Gaussian Distribution.
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Hubert
2 months ago
I think the answer is B.
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