New Year Sale 2026! Hurry Up, Grab the Special Discount - Save 25% - Ends In 00:00:00 Coupon code: SAVE25
Welcome to Pass4Success

- Free Preparation Discussions

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

Contribute your Thoughts:

0/2000 characters
Eleonora
4 months ago
The graph shows a clear drop in variance at k=4.
upvoted 0 times
...
Frank
4 months ago
Not sure about that, k=10 might be better for complexity.
upvoted 0 times
...
Shantell
4 months ago
Wait, why not k=7? It looks good too!
upvoted 0 times
...
Leana
4 months ago
Totally agree, 4 seems optimal.
upvoted 0 times
...
Dierdre
4 months ago
Looks like k=4 has the elbow point!
upvoted 0 times
...
James
5 months ago
I feel like k=10 is probably too many clusters, but I’m not confident about the exact point to choose.
upvoted 0 times
...
Angella
5 months ago
I practiced a similar question, and I think k=4 is a common choice for optimal clustering.
upvoted 0 times
...
Alfred
5 months ago
I'm not entirely sure, but I think k=7 could be too high since it might lead to overfitting.
upvoted 0 times
...
Glory
5 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.
upvoted 0 times
...
Verda
5 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.
upvoted 0 times
...
Avery
5 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.
upvoted 0 times
...
Jeannine
5 months ago
I'm leaning towards seven years. I recall discussions about compliance regulations that emphasized longer retention periods for big transactions like this.
upvoted 0 times
...
Marleen
5 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.
upvoted 0 times
...
Rueben
10 months ago
If I choose the wrong answer, can I blame it on the graph being too 'k'razy to understand?
upvoted 0 times
Aileen
8 months ago
User 4: I'm leaning towards 7 after looking at the graph.
upvoted 0 times
...
Alyce
9 months ago
User 4: I'm leaning towards 10 for the optimal choice of k.
upvoted 0 times
...
Essie
9 months ago
User 3: I would go with 4 as well.
upvoted 0 times
...
Cassie
9 months ago
C: Yeah, k = 4 looks like the best option based on the graph.
upvoted 0 times
...
Margurite
9 months ago
User 3: I would go with 7 as well.
upvoted 0 times
...
Kathryn
9 months ago
User 2: I believe it's 7.
upvoted 0 times
...
Kristel
9 months ago
User 2: I disagree, I believe it is 7.
upvoted 0 times
...
Graciela
9 months ago
User 1: I think the optimal choice of k is 4.
upvoted 0 times
...
Elza
9 months ago
User 1: I think the optimal choice of k is 4.
upvoted 0 times
...
Kate
10 months ago
B: I agree, the graph seems to show the best results at k = 4.
upvoted 0 times
...
Sue
10 months ago
A: I think the optimal choice of k is 4.
upvoted 0 times
...
...
Reita
10 months 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.
upvoted 0 times
...
Gayla
10 months 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.
upvoted 0 times
...
Joseph
10 months ago
Hmm, the graph looks like it's flattening out after 7, so I think C) 7 might be the best pick here.
upvoted 0 times
Christoper
10 months ago
Yeah, I think so too. The graph does show a flattening out after 7 clusters.
upvoted 0 times
...
Devora
10 months ago
I agree, option C) 7 seems like the optimal choice based on the graph.
upvoted 0 times
...
...
Jillian
11 months ago
The elbow point seems to be around 4, so I'd go with B) 4 as the optimal choice for k.
upvoted 0 times
Izetta
9 months ago
The results for k = 4 do look promising on the graph.
upvoted 0 times
...
Micaela
10 months ago
I would also go with B) 4 as the optimal choice for k.
upvoted 0 times
...
Lashawn
10 months ago
I agree, the graph does seem to show that k = 4 is a reasonable selection.
upvoted 0 times
...
Paz
10 months ago
I think B) 4 is a good choice based on the elbow point.
upvoted 0 times
...
...
Luis
11 months ago
I'm not sure, but I think k=7 could also be a reasonable selection.
upvoted 0 times
...
Miesha
11 months ago
I agree with Detra, k=4 seems to be the best choice based on the graph.
upvoted 0 times
...
Detra
11 months ago
I think the optimal choice of k is 4.
upvoted 0 times
...

Save Cancel