Free EMC DEA-7TT2 Exam Dumps Questions & Answers

Refer to the exhibit.

In association rules, for itemsets X and Y, which expression defines leverage?
Response:

• A.b
• B.a
• C.d
• D.c

Which word or phrase completes the statement? A spreadsheet is to a data island as a centralized database for reporting is to a __________?
Response:

• A.Analytic Sandbox
• B.Data Mart
• C.Data Repository
• D.Data Warehouse

In association rules, given X -> Y, what is confidence?
Response:

• A.Percentage of transactions with X that also contain Y
• B.How many times more often X and Y occur together than expected if they were statistically independent, expressed as a ratio
• C.Difference in the probability of X and Y appearing together compared with expectations if they were statistically independent
• D.Percentage of transactions that contain the itemset

Which analytic technique would be appropriate to estimate blood pressure based on age and weight?
Response:

• A.K-means clustering
• B.Linear regression
• C.Time series analysis
• D.Naive Bayesian classification

What activities occur during the discovery phase of the data analytics lifecycle?
Response:

• A.Interview project sponsor and stakeholders
• B.Deploy and monitor model performance
• C.Perform ETL and data exploration
• D.Build training and test datasets