Pre-Quiz for Clustering

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There are 6 Questions with a total points of 10. You should be able to solve them in 8-10 minutes.

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Find out the Euclidean distance between (5,1) and (-3,7)

2 points

Other

100

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Select the correct statement:

1 point

Clustering is used when labels are known

Clustering is used when labels are unknown

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What is the minimum no. of variables/ features required to perform clustering?

2 points

None of the above

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What does k indicate in k means?

1 point

Maximum distance within points in a cluster

Average distance within points in a cluster

No of clusters

No of points in a cluster

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Say True or False against the statement: K means is guaranteed to converge to absolute minima.

2 points

True

False

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Which method will you go with if the number of clusters is not known beforehand?

2 points

K means clustering

Dbscan

None can be used

Both can be used.

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Submit

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