FREE Data Analyst Data Mining Questions and Answers

Question 1

What is the primary goal of data mining?

Accepted Answer

To extract useful patterns and knowledge from large datasets

Answer

To visualize data

Answer

To store data efficiently

Answer

To delete redundant data

Question 2

Which of the following is a common data mining technique?

Accepted Answer

Clustering

Answer

Sorting

Answer

Archiving

Answer

Data input

Question 3

What is the term used for predicting future trends in data mining?

Accepted Answer

Forecasting

Answer

Classification

Answer

Regression

Answer

Summarizing

Question 4

Which algorithm is commonly used for classification tasks in data mining?

Accepted Answer

Decision tree

Answer

K-means

Answer

Apriori algorithm

Answer

Support Vector Machine (SVM)

Question 5

In data mining, what is "association rule learning" used for?

Accepted Answer

To find relationships between variables in large datasets

Answer

To create predictions for continuous data

Answer

To group similar data points

Answer

To clean data for analysis