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Question No : 1
A. It does not handle missing values well.
B. It does not handle redundant variables well.
C. It does not handle correlated variables well.
D. It does not have explanatory values.
Question No : 2

Click on the calculator icon in the upper left corner. An analyst is searching a corpus of documents for the topic "solid state disk". In the Exhibit, Table A provides the inverse document frequency for each term across the corpus. Table B provides each term's frequency in four documents selected from corpus. Which of the four documents is most relevant to the analyst's search?
A. Document B
B. Document A
C. Document C
D. Document D
Question No : 3

In the Exhibit, the table shows the values for the input Boolean attributes "A", "B", and "C". It also shows the values for the output attribute "class". Which decision tree is valid for the data?
A. Tree B
B. Tree A
C. Tree C
D. Tree D
Question No : 4
A. Ordinal
B. Nominal
C. Real
D. Ratio
Question No : 5
A. They can be used to calculate moving averages over various intervals.
B. They group rows into a single output row.
C. They can be used between the keywords FROM and WHERE in a SELECT command.
D. They don't require ordering of data within a window.
Question No : 6
A. Budgetary considerations and requests
B. Operational process changes
C. Detailed statistical explanation of the applicable modeling theory
D. The presentation author's credentials
Question No : 7
Transaction 1: {cheese, bread, milk}
Transaction 2: {soda, bread, milk}
Transaction 3: {cheese, bread}
Transaction 4: {cheese, soda, juice}
You decide to run the association rules algorithm where minimum support is 50%. Which rule has a confidence at least 50%?
A. {cheese} => {bread}
B. {juice} => {cheese}
C. {milk} => {soda}
D. {soda} => {milk}
Question No : 8

Which type of data issue would you suspect based on the exhibit?
A. "Saturated" data, indicating potential issues with data definitions
B. Incomplete data, indicating potential issues with data transmission
C. Mis-scaled data, indicating potential issues with data entry
D. The exhibit does not raise any obvious concerns with the data.
Question No : 9
A. Support for the association is low
B. Leverage of the rules is low
C. The rule is coincidental
D. The rule is true
Question No : 10
A.Used to calculate moving averages over various intervals
B.Group rows into a single output row
C.Used between the keywords FROM and WHERE in a SELECT command
D.Ordering data within a window is not required
Question No : 11
A. Probability
B. A p-value
C. Any integer
D. Any real number
Question No : 12
A. Decrease the number of clusters
B. Increase the number of clusters
C. Decrease the number of measures used
D. Identify additional measures to add to the analysis
Question No : 13
Centroid A's coordinates: (X = 2, Y = 4)
Centroid B's coordinates (X = 8, Y = 10)
Which formula finds the correct Euclidean distance?
A. SQRT((2-8)2+(4-10)2) or 8.49
B. SQRT(((2-8) x 2) + ((4-10) x 2)) or 12.17
C. ((2-8)2+(4-10)2) or 72
D. ((2-8) x 2 + (4-10) x 2) or 148
Question No : 14
A.Business Intelligence Analyst
B.Project Manager
C.Project Sponsor
D.Business User
Question No : 15
A. It is robust with redundant variables and correlated variables.
B. It handles missing values well.
C. It works well with discrete variables that have many distinct values.
D. It works well with variables that affect the outcome in a discontinuous way.