Q.no 21. Lazy learner classification approach is
A : learner waits until the last minute before constructing model to classify
B : a given training data constructs a model first and then uses it to classify
C : the network is constructed by human experts
D : None of the options
Answer for Question No 21. is a
Q.no 22. Cross validation involves
A : testing the machine on all possible ways by substituting the original sample into
training set
B : testing the machine on all possible ways by dividing the original sample into
training and validation sets.
C : testing the machine with only validation sets
D : testing the machine on only testing datasets.
Answer for Question No 22. is c
Q.no 23. The rule is considered as intersting if
A : They satisfy both minimum support and minimum confidence threshold
B : They satisfy both maximum support and maximum confidence threshold
C : They satisfy maximum support and minimum confidence threshold
D : They satisfy minimum support and maximum confidence threshold
Answer for Question No 23. is a
Q.no 24. Data independence means
A : Data is defined separately and not included in programs
B : Programs are not dependent on the physical attributes of the data
C : Programs are not dependent on the logiical attributes of the data
D : Program
Answer for Question No 24. is d
Q.no 25. Which of the following is a predictive model?
A : Clustering
B : Regression
C : Summarization
D : Association rules
Answer for Question No 25. is b
Q.no 26. The data cubes are generally
A : 1 Dimensional
B : 2 Dimensional
C : 3 Dimensional
D : n-Dimensional
Answer for Question No 26. is d
Q.no 27. Identify the example of sequence data
A : weather forecast
B : data matrix
C : market basket data
D : genomic data
Answer for Question No 27. is d
Q.no 28. The frequent-item-header-table consists of number fields
A : Only one
B : Two
C : Three
D : Four
Answer for Question No 28. is b
Q.no 29. How are metarules useful in mining of association rules?
A : Allow users to specify threshold measures
B : Allow users to specify task relevant data
C : Allow users to specify the syntactic forms of rules
D : Allow users to specify correlation or association
Answer for Question No 29. is c
Q.no 30. Which of the following activities is a data mining task?
A : Monitoring the heart rate of a patient for abnormalities
B : Extracting the frequencies of a sound wave
C : Predicting the outcomes of tossing a (fair) pair of dice
D : Dividing the customers of a company according to their profitability
Answer for Question No 30. is a
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