Top 350+ Solved Data Mining and Data Warehouse MCQ Questions Answer
Q. Which of the following is a predictive model?
a. clustering.
b. regression.
c. summarization.
d. association rules.
Q. Which of the following is a descriptive model?
a. classification.
b. regression.
c. sequence discovery.
d. association rules.
Q. A ___________ model identifies patterns or relationships.
a. descriptive.
b. predictive.
c. regression.
d. time series analysis.
Q. A predictive model makes use of ________.
a. current dat
b. historical data.
c. both current and historical data.
d. assumptions.
Q. ____________ maps data into predefined groups.
a. regression.
b. time series analysis
c. prediction.
d. classification.
Q. __________ is used to map a data item to a real valued prediction variable.
a. regression.
b. time series analysis.
c. prediction.
d. classification.
Q. In ____________, the value of an attribute is examined as it varies over time.
a. regression.
b. time series analysis.
c. sequence discovery.
d. prediction.
Q. In ________ the groups are not predefined.
a. association rules.
b. summarization.
c. clustering.
d. prediction.
Q. Link Analysis is otherwise called as ___________.
a. affinity analysis.
b. association rules.
c. both a & b.
d. prediction.
Q. Treating incorrect or missing data is called as ___________.
a. selection.
b. preprocessing.
c. transformation.
d. interpretation.
Q. Converting data from different sources into a common format for processing is called as ________.
a. selection.
b. preprocessing.
c. transformation.
d. interpretation.
Q. Various visualization techniques are used in ___________ step of KDD.
a. selection.
b. transformaion.
c. data mining.
d. interpretation.