Top 80+ Solved Data Mining MCQ Questions Answer

From 31 to 45 of 72

Q. Learning is

a. the process of finding the right formal representation of a certain body of knowledge in order to represent it in a knowledge-based system

b. it automatically maps an external signal space into a system\s internal representational space. they are useful in the performance of classification tasks.

c. a process where an individual learns how to carry out a certain task when making a transition from a situation in which the task cannot be carried out to a situation in which the same task under the same circumstances can be carried out.

d. none of these

  • c. a process where an individual learns how to carry out a certain task when making a transition from a situation in which the task cannot be carried out to a situation in which the same task under the same circumstances can be carried out.

Q. Naive prediction is

a. a class of learning algorithms that try to derive a prolog program from examples.

b. a table with n independent attributes can be seen as an n- dimensional space.

c. a prediction made using an extremely simple method, such as always predicting the same output.

d. none of these

  • c. a prediction made using an extremely simple method, such as always predicting the same output.

Q. Learning algorithm referrers to

a. an algorithm that can learn

b. a sub-discipline of computer science that deals with the design and implementation of learning algorithms.

c. a machine-learning approach that abstracts from the actual strategy of an individual algorithm and can therefore be applied to any other form of machine learning.

d. none of these

  • a. an algorithm that can learn

Q. Knowledge is referred to

a. non-trivial extraction of implicit previously unknown and potentially useful information from data

b. set of columns in a database table that can be used to identify each record within this table uniquely

c. collection of interesting and useful patterns in a database

d. none of these

  • c. collection of interesting and useful patterns in a database

Q. Node is

a. a component of a network

b. in the context of kdd and data mining, this refers to random errors in a database table.

c. one of the defining aspects of a data warehouse

d. none of these

  • a. a component of a network

Q. Machine learning is

a. an algorithm that can learn

b. a sub-discipline of computer science that deals with the design and implementation of learning algorithms

c. an approach that abstracts from the actual strategy of an individual algorithm and can therefore be applied to any other form of machine learning.

d. none of these

  • b. a sub-discipline of computer science that deals with the design and implementation of learning algorithms

Q. Projection pursuit is

a. the result of the application of a theory or a rule in a specific case

b. one of several possible enters within a database table that is chosen by the designer as the primary means of accessing the data in the table.

c. discipline in statistics that studies ways to find the most interesting projections of multi-dimensional spaces

d. none of these

  • c. discipline in statistics that studies ways to find the most interesting projections of multi-dimensional spaces

Q. Inductive logic programming is

a. a class of learning algorithms that try to derive a prolog program from examples

b. a table with n independent attributes can be seen as an n-dimensional space

c. a prediction made using an extremely simple method, such as always predicting the same output

d. none of these

  • a. a class of learning algorithms that try to derive a prolog program from examples

Q. Statistical significance is

a. the science of collecting, organizing, and applying numerical facts

b. measure of the probability that a certain hypothesis is incorrect given certain observations.

c. one of the defining aspects of a data warehouse, which is specially built around all the existing applications of the operational data

d. none of these

  • b. measure of the probability that a certain hypothesis is incorrect given certain observations.

Q. Multi-dimensional knowledge is

a. a class of learning algorithms that try to derive a prolog program from examples

b. a table with n independent attributes can be seen as an n-dimensional space

c. a prediction made using an extremely simple method, such as always predicting the same output.

d. none of these

  • b. a table with n independent attributes can be seen as an n-dimensional space

Q. Prediction is

a. the result of the application of a theory or a rule in a specific case

b. one of several possible enters within a database table that is chosen by the designer as the primary means of accessing the data in the table.

c. discipline in statistics that studies ways to find the most interesting projections of multi-dimensional spaces.

d. none of these

  • a. the result of the application of a theory or a rule in a specific case

Q. Query tools are

a. a reference to the speed of an algorithm, which is quadratically dependent on the size of the data

b. attributes of a database table that can take only numerical values.

c. tools designed to query a database.

d. none of these

  • c. tools designed to query a database.

Q. Operational database is

a. a measure of the desired maximal complexity of data mining algorithms

b. a database containing volatile data used for the daily operation of an organization

c. relational database management system

d. none of these

  • b. a database containing volatile data used for the daily operation of an organization

Q. ...................... is an essential process where intelligent methods are applied to extract data patterns.

a. data warehousing

b. data mining

c. text mining

d. data selection

  • b. data mining

Q. Which of the following is not a data mining functionality?

a. characterization and discrimination

b. classification and regression

c. selection and interpretation

d. clustering and analysis

  • c. selection and interpretation
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