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Dell EMC D-DS-FN-23 Exam - Topic 2 Question 6 Discussion

Actual exam question for Dell EMC's D-DS-FN-23 exam
Question #: 6
Topic #: 2
[All D-DS-FN-23 Questions]

After running a density plot you realize that the data has a long tail to the right. What can you do to make the dataset more normally distributed?

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Suggested Answer: D

by Jesusita at Apr 30, 2025, 07:22 AM

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Maxima
3 months ago
Not sure if log transformation is the only way, though...
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Patria
3 months ago
Histograms are great for visualizing, but they won't normalize the data.
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Tayna
3 months ago
Definitely agree with the log transformation!
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Gerardo
4 months ago
Wait, can a square transformation really help?
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Rashad
4 months ago
You can apply a logarithmic transformation to fix that right tail!
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Denise
4 months ago
I’m a bit confused about whether a histogram would really help in making the dataset more normally distributed, but it could show the distribution better.
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Cammy
4 months ago
I practiced a similar question where we had to decide between different transformations, and I think the logarithmic one is usually recommended for long tails.
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Salina
4 months ago
I'm not entirely sure, but I feel like applying a square transformation might not be the best choice for normalizing the data.
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Brendan
5 months ago
I remember discussing transformations in class, and I think a logarithmic transformation can help with right-skewed data.
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Heike
5 months ago
Hmm, this is a tricky one. I'm not entirely sure which transformation would be best here. I know a square root or log transformation can help normalize skewed data, but I'd need to think through the specifics of this case to decide which one would work better. I'll make sure to show my work and explain my reasoning on this one.
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Dianne
5 months ago
Alright, time to put my stats knowledge to the test. Since we have a long right tail, a logarithmic transformation (option D) is probably the way to go. That should help pull in those outliers and make the distribution more bell-shaped. I'm feeling pretty confident about this one.
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Kenny
5 months ago
I'm a bit confused here. The question is asking how to make the data more normally distributed, but the options don't seem to directly address that. I'm not sure if a scatter plot or histogram would really help. I think I'll need to review my notes on data transformations to figure this out.
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Shayne
5 months ago
Okay, I've got this. The density plot shows a long right tail, so I need to apply a transformation that will pull in that tail and make the distribution more symmetric. I'd go with option C and try a square transformation.
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Janine
6 months ago
Hmm, this is a tricky one. I think the key is to find a way to transform the data to make it more normally distributed. A square or logarithmic transformation could work, but I'll need to think it through carefully.
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Juan
9 months ago
A square transformation? What is this, geometry class? Logarithmic is the only way to straighten out that funky distribution.
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Vallie
8 months ago
It's a common technique in data analysis.
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Laurena
8 months ago
I've used it before and it really made a difference.
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Adell
9 months ago
I agree, it can help normalize the data.
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Glory
9 months ago
Logarithmic transformation is the way to go.
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Jaleesa
9 months ago
Ugh, I hate it when my data has a case of the right-skewed blues. Logarithmic is the way to go, no doubt.
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Justine
9 months ago
I always use logarithmic transformation for right-skewed data, it works like a charm.
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Gregg
9 months ago
I agree, it can help make the data more normally distributed.
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Erinn
9 months ago
Logarithmic transformation is definitely the way to go.
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Madelyn
10 months ago
Definitely go with the logarithmic transformation. That's like the secret sauce for normalizing data.
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Daryl
9 months ago
I'll give it a try and see how the data looks after the transformation.
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Eladia
9 months ago
I agree, it really helps with those long tail distributions.
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Carma
10 months ago
Logarithmic transformation is the way to go for normalizing the data.
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Mabel
11 months ago
I would also consider applying a square transformation to see if it improves the distribution.
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Willow
11 months ago
I agree with Jennifer, a logarithmic transformation can help address the long tail to the right in the data.
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Leonard
11 months ago
Haha, a long tail to the right? Looks like someone's been partying a little too hard!
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Arlene
9 months ago
C) Apply a square transformation
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Johnathon
10 months ago
D) Apply a logarithmic transformation
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Craig
10 months ago
A) Use a scatter plot to obtain a better picture
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Jennifer
11 months ago
I think applying a logarithmic transformation could help make the dataset more normally distributed.
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