Top 250+ Solved Data Mining and Business Intelligence MCQ Questions Answer
Q. The granularity of the fact is the ___________ of detail at which it is recorded.
a. Transformation
b. Summarization
c. Level
d. Tr
Q. Which of the following is not a primary grain in analytical modeling.
a. Transaction
b. Periodic snapshot
c. Accumulating snapshot
d. All of the above
Q. Granularity is determined by___________.
a. Number of parts to a key
b. Granularity of those parts
c. Both A and B
d. None of the above
Q. ________of data means that the attributes within a given entity are fully dependent on theentire primary key of the entity.
a. Additively
b. Granularity
c. Functional dependency
d. Dimensionality
Q. A fact is said to be fully additive if_________.
a. It is additive over every dimension of its dimensionality
b. Additive over at least one but not all of the dimensions
c. Not additive over any dimension
d. None of the above
Q. A fact is said to be partially additive if_______.
a. It is additive over every dimension of its dimensionality
b. Additive over at least one but not all of the dimensions
c. Not additive over any dimension
d. None of the above
Q. A fact is said to be non-additive if_______.
a. It is additive over every dimension of its dimensionality
b. Additive over at least one but not all of the dimensions
c. Not additive over any dimension
d. None of the above
Q. Non-additive measures can often combined with additive measures to create new_________.
a. Additive measures
b. Non-additive measures
c. Partially additive
d. All of the above
Q. A fact representing cumulative sales units over a day at a store for a product is a_________.
a. Additive fact
b. Fully additive fact
c. Partially additive fact
d. Non-additive fact
Q. Which of the following is the other name of Data mining?
a. Exploratory data analysis
b. Data driven discovery
c. Deductive learning
d. All of the above
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