Check below data mining and warehousing complete MCQ (Multiple Choice Question) with answer for exam preperation.
Q.no 1. What does the leaf node in decision tree indicates
A : sub tree
B : class label
C : testing node
D : condition
Answer for Question No 1. is b
Q.no 2. sensitivity is also known as
A : false rate
B : recall
C : negative rate
D : recognition rate
Answer for Question No 2. is b
Q.no 3. the negative tuples that were correctly labeled by the classifier
A : False positives(FP)
B : True positives(TP)
C : True negatives (TN)
D : False negatives(FN)
Answer for Question No 3. is c
Q.no 4. Removing duplicate records is a process called
A : recovery
B : data cleaning
C : data cleansing
D : data pruning
Answer for Question No 4. is b
Q.no 5. For Apriori algorithm, what is the first phase?
A : Pruning
B : Partitioning
C : Candidate generation
D : Itemset generation
Answer for Question No 5. is c
Q.no 6. Multi-class classification makes the assumption that each sample is assigned to
A : one and only one label
B : many labels
C : one or many labels
D : no label
Answer for Question No 6. is a
Q.no 7. Multilevel association rules can be mined efficiently using
A : Support
B : Confidence
C : Support count
D : Concept Hierarchies under support-confidence framework
Answer for Question No 7. is d
Q.no 8. What is the method to interpret the results after rule generation?
A : Absolute Mean
B : Lift ratio
C : Gini Index
D : Apriori
Answer for Question No 8. is b
Q.no 9. Self-training is the simplest form of
A : supervised classification
B : semi-supervised classification
C : unsupervised classification
D : regression
Answer for Question No 9. is b
Q.no 10. Which of the following is direct application of frequent itemset mining?
A : Social Network Analysis
B : Market Basket Analysis
C : Outlier Detection
D : Intrusion Detection
Answer for Question No 10. is b
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