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INSTRUCTOR-LED SESSION
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ASYNCHRONOUS LEARNING
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• Slide 1
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Clustering﻿

• Question 2
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Q.

1. A data point belongs to only one cluster in which cluster type?

A. Soft clustering

B. Hard clustering

• Question 3
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Q.

2. Which is an unsupervised technique?

A. Regression

B. Clustering

C. SLR

D. MLR

• Question 4
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3. Dendrogram is the graphical representation of which clustering?

A. Partition method

B. Centroid based method

C. Hierarchical clustering

• Question 5
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Q.

4. Who took the topic "Hot encoding"?

A. Kareem sir

B. Devika

C. Niveditha

• Question 6
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Q.

5. For clustering, we do not require-

A. Labeled data

B. Unlabeled data

C. Numerical data

D. Categorical data

• Question 7
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6. Select the odd one out!

Measures used for checking clustering quality

A Relative

B Terminal

C External

D Internal

• Question 8
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Q.

7. which is applicable to all types of clustering?

A. Gap Statistic

B. Elbow Method

C. Silhouette Method

• Question 9
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Q.

8. Which method follows a bottom up approach?

A. Divisive approach

B. Centroid Based Approach

C. ﻿Agglomerative approach

• Question 10
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9. The goal of clustering is to?

A) Divide the data points into groups

B) Classify the data point into different classes

C) Predict the output values of input data points

D) All of the above

• Question 11
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10. How many pictures/diagrams were in Niveditha's presentation?

A) 6

B) 14

C) 11

D) 9

• Question 12
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11. Choose the correct formula for Gap statistic

ai-bi/min(ai,bi)

WkB-Wk

bi-ai/ min(ai,bi)

Wk-WkB

• Question 13
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12. which evaluates the clustering structure by varying different parameter values for the same algorithm?

A) External

B) Internal

C) Relative

D) None

• Question 14
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Q.

13. Did you understand both the topics?