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Data Mining

Total questions: 8

Worksheet time: 7mins

Name
Class
Date
1.

Which of the following task is not Data Mining?

a)

Predicting price of a stock

b)

Clustering customers according to preferences

c)

Association Rule Mining

d)

Looking up records in Telephone Directory

2.

Generation of candidate itemsets can be reduced using the (a)   rule.

3.

State an example of predictive task, which you use in your daily life.

4 lines
4.

What is the task shown in the picture called?

a)

Clustering

b)

Classification

c)

Anomaly Detection

d)

Association Rule Mining

5.

Predicting a continuous variable is called a (a)   task.

6.

Cluster analysis is ...................

a)

Unsupervised Learning

b)

Supervised learning

c)

Semi supervised learning

d)

None of these

7.

The measure for node purity based on logarithm of proportions of each class [7]

(a)  

8.

The largest possible value of the misclassification probability [4]

(a)