Acme Collins School

Q1. Define the use of data cleaning?

to remove the noisy data
transformations to correct the wrong data
correct the inconsistencies in data
All of the above

Q2. How many databases are there in Data warehousing to integrate heterogeneous databases?

2
5
4
3

Q3. What is data mining?

Data mining also involves other processes such as Data Cleaning, Data Integration, Data Transformation
Data Mining is defined as the procedure of extracting information from huge sets of data
Data mining is the procedure of mining knowledge from data
All of the above

Q4. In data mining, how many categories of functions are involved?

4
2
3
5

Q5. The mapping or classification of a class with some predefined group or class is called.

Data Sub Structure
Data Characterization
Data Set
Data Discrimination

Q6. In Data Characterization, class under study is called as final class.

FALSE
TRUE

Q7. Which is defined as the data objects that do not comply with the general behaviour or model of the data available?

Outlier Analysis
Prediction
Evolution Analysis
Classification

Q8. What does data mining system classification consists of?

Database Technology
Machine Learning
Information Science
All of the above

Q9. In the given options, "Efficiency and scalibility of data mining algorithms" issues comes under?

Diverse Data Types Issues
None of the above
Performance Issues
Mining Methodology and User Interaction Issues

Q10. The analysis performed to uncover interesting statistical correlations between associated-attribute-value pairs is known as Mining of correlations.

FALSE
TRUE

Data Mining

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