data mining and data ware house Practice Questions Answers Test with Solutions & More Shortcuts

Question : 6

Statistics

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 dat(A)

d) None of these

Question : 7

Enrichment is

a) A stage of the KDD process in which new data is added to the existing selection

b) The process of finding a solution for a problem simply by enumerating all possible solutions according to some pre-defined order and then testing them.

c) The distance between two points as calculated using the Pythagoras theorem.

d) None of these

Question : 8

Query tools are

a) A reference to the speed of an algorithm, which is quadratically dependent on the size of the dat(A)

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

c) Tools designed to query a database.

d) None of these

Question : 9

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

Question : 10

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