data mining quiz
Authored by Krishndeo Pawar
English
University
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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
_____ clustering, like DBSCAN, can automatically determine the number of clusters based on data density.
Density-based
Partitioning clustering
Hierarchical
None of these
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The ________ classifier is a probabilistic model based on Bayes' Theorem.
Decision tree
Backpropagation
Naive Bayes
KNN
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
__________ is not a common step in data preprocessing.
Data transformation
Data modeling
Data cleaning
Data integration
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
_____ normalization is not very efficient in handling outliers.
Min-Max
Z-score
Decimal scaling
None of the above
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
_____ variable has only two states.
Interval scale
Binary
Categorical
Ordinal
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is an example of an association rule?
If a customer buys bread, they are likely to buy butter
Classifying emails as spam or not spam
Clustering customers into groups based on their purchase history
Predicting the next word in a sentence
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In association rule mining, ________ is most commonly used to generate frequent itemsets.
Linear regression
K-means
Apriori
Decision tree
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