MCQs about Data Mining - 1 | GM Statistics

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MCQs about Data mining

1. Data mining is?

The stage of selecting the right data

The actual discovery phase of a knowledge

Time variant non-volatile collection of data

None of these

2. _____________ is the output of KDD.

Data

Useful Information

Query

Information

3. Classification is

A measure of the accuracy, of the classification of a concept that is given by a certain theory

The task of assigning a classification to a set of examples

None of these

A subdivision of a set of examples into a number of classes

4. It is the main technique employed for data selection

Clustering

Histogram

Noise

Sampling

5. Classification accuracy is

A subdivision of a set of examples into a number of classes

The task of assigning a classification to a set of examples

None of these

A measure of the accuracy, of the classification of a concept that is given by a certain theory

6. A group of similar objects that differ significantly from other objects is named …

None of these

Community

Classification

Cluster

7. Which of the following is the right approach to Data Mining?

Infrastructure, analysis, exploration, interpretation, exploitation

None of these

Infrastructure, exploration, analysis, interpretation, exploitation

Infrastructure, exploration, analysis, exploitation, interpretation

8. The classification task referred to

None of these

A subdivision of a set of examples into several classes

A measure of the accuracy, of the classification of a concept that is given by a certain theory

The task of assigning a classification to a set of examples

9. Which of the following does not belong to data mining?

Data exploration

Data transformation

Data archaeology

Knowledge extraction

10. Binary attributes are,

The natural environment of a certain species

None of these

This takes only two values. In general, these values will be 0 and 1 and .they can be coded as one bit

Systems that can be used without knowledge of internal operations

11. We define a ______ as a subdivision of a set of examples into a number of classes

Array

Kingdom

Classification

Tree

12. Cluster is

Group of similar objects that differ significantly from other objects

Operations on a database to transform or simplify data in order to prepare it for a machine-learning algorithm

Symbolic representation of facts or ideas from which information can potentially be extracted

None of these

13. Two fundamental goals of Data Mining are

Analysis and Description

Data cleaning and organizing the data

Prediction and Description

14. Algorithm is

The science of making machines performs tasks that would require intelligence when performed by humans

A computational procedure that takes some value as input and produces some value as output

None of these

It uses machine-learning techniques. Here program can learn from past experience and adapt themselves to new situations

15. ___________ is not a data mining functionality?

Selection and interpretation

Characterization and Discrimination

Classification and regression

Clustering and Analysis

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Online MCQs about Data Mining Questions and Answers

Data mining is?
Cluster is
Classification accuracy is
Algorithm is
Classification is
Binary attributes are,
———- is not a data mining functionality?
———- is the output of KDD.
Which of the following does not belong to data mining?
Which of the following is the right approach to Data Mining?
A group of similar objects that differ significantly from other objects is named …
Two fundamental goals of Data Mining are
It is the main technique employed for data selection
We define a ———- as a subdivision of a set of examples into a number of classes
The classification task referred to

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MCQs about Data Mining – 1

Online MCQs about Data Mining Questions and Answers

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Online MCQs about Data Mining Questions and Answers

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