
Data Preprocessing and Association Rules Quiz
Authored by Krishndeo Pawar
Computers
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary purpose of data preprocessing in data mining?
To transform raw data into an understandable format
To analyze data patterns
To visualize data
To store data in databases
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a measure of data quality?
Complexity
Completeness
Accuracy
Timeliness
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What technique is used to handle missing values in data?
Data integration
Data transformation
Data cleaning
Data reduction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which algorithm is widely used for finding frequent itemsets in a dataset?
Support Vector Machine
Decision Tree
Apriori
K-Means
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term 'support' refer to in association rule mining?
The strength of the association
The likelihood of an item being purchased
The percentage of transactions containing an item
The total number of items in a dataset
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a disadvantage of the Apriori algorithm?
Flexibility
Ease of implementation
High memory usage
Simplicity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of market basket analysis?
To identify products that frequently co-occur in transactions
To analyze customer demographics
To optimize supply chain logistics
To evaluate employee performance
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