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Amazon MLS-C01 Exam - Topic 5 Question 70 Discussion

A Machine Learning Specialist prepared the following graph displaying the results of k-means for k = [1:10]Considering the graph, what is a reasonable selection for the optimal choice of k?
B) 4 and D) 10
A) 1
C) 7

Amazon MLS-C01 Exam - Topic 5 Question 70 Discussion

Actual exam question for Amazon's MLS-C01 exam
Question #: 70
Topic #: 5
[All MLS-C01 Questions]

A Machine Learning Specialist prepared the following graph displaying the results of k-means for k = [1:10]

Considering the graph, what is a reasonable selection for the optimal choice of k?

Show Suggested Answer Hide Answer
Suggested Answer: B, D

https://www.redhat.com/en/topics/devops/what-is-blue-green-deployment

by Allene at Feb 08, 2023, 04:24 AM

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Eleonora
7 months ago
The graph shows a clear drop in variance at k=4.
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Frank
7 months ago
Not sure about that, k=10 might be better for complexity.
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Shantell
7 months ago
Wait, why not k=7? It looks good too!
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Leana
8 months ago
Totally agree, 4 seems optimal.
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Dierdre
8 months ago
Looks like k=4 has the elbow point!
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James
8 months ago
I feel like k=10 is probably too many clusters, but I’m not confident about the exact point to choose.
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Angella
8 months ago
I practiced a similar question, and I think k=4 is a common choice for optimal clustering.
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Alfred
8 months ago
I'm not entirely sure, but I think k=7 could be too high since it might lead to overfitting.
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Glory
8 months ago
I remember we discussed the elbow method in class, and it seems like k=4 might be where the curve starts to flatten out.
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Verda
8 months ago
Okay, let me think this through. The incorrect statement is C - "findOneQ returns the actual first document retrieved from a collection". That's not quite right, since findOne() returns a single document, not a cursor.
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Avery
8 months ago
I'm a little confused by the different options here. Are there any subtle differences between them that I should be aware of? I want to make sure I fully understand the implications of each choice before selecting an answer.
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Jeannine
8 months ago
I'm leaning towards seven years. I recall discussions about compliance regulations that emphasized longer retention periods for big transactions like this.
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Marleen
8 months ago
Hmm, this looks like a straightforward question about system files. I think I know the answer, but I'll double-check my notes just to be sure.
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Rueben
1 year ago
If I choose the wrong answer, can I blame it on the graph being too 'k'razy to understand?
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Aileen
12 months ago
User 4: I'm leaning towards 7 after looking at the graph.
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Alyce
12 months ago
User 4: I'm leaning towards 10 for the optimal choice of k.
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Essie
12 months ago
User 3: I would go with 4 as well.
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Cassie
12 months ago
C: Yeah, k = 4 looks like the best option based on the graph.
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Margurite
12 months ago
User 3: I would go with 7 as well.
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Kathryn
1 year ago
User 2: I believe it's 7.
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Kristel
1 year ago
User 2: I disagree, I believe it is 7.
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Graciela
1 year ago
User 1: I think the optimal choice of k is 4.
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Elza
1 year ago
User 1: I think the optimal choice of k is 4.
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Kate
1 year ago
B: I agree, the graph seems to show the best results at k = 4.
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Sue
1 year ago
A: I think the optimal choice of k is 4.
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Reita
1 year ago
I don't know, the graph kind of looks like a roller coaster to me. Maybe I should just close my eyes and point to an answer.
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Gayla
1 year ago
This is a tough one, but I'm leaning towards D) 10 since it looks like the graph is still dropping significantly at that point.
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Joseph
1 year ago
Hmm, the graph looks like it's flattening out after 7, so I think C) 7 might be the best pick here.
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Christoper
1 year ago
Yeah, I think so too. The graph does show a flattening out after 7 clusters.
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Devora
1 year ago
I agree, option C) 7 seems like the optimal choice based on the graph.
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Jillian
1 year ago
The elbow point seems to be around 4, so I'd go with B) 4 as the optimal choice for k.
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Izetta
1 year ago
The results for k = 4 do look promising on the graph.
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Micaela
1 year ago
I would also go with B) 4 as the optimal choice for k.
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Lashawn
1 year ago
I agree, the graph does seem to show that k = 4 is a reasonable selection.
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Paz
1 year ago
I think B) 4 is a good choice based on the elbow point.
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Luis
1 year ago
I'm not sure, but I think k=7 could also be a reasonable selection.
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Miesha
1 year ago
I agree with Detra, k=4 seems to be the best choice based on the graph.
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Detra
1 year ago
I think the optimal choice of k is 4.
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