DEA-7TT2 Testking Exam Questions | Certification DEA-7TT2 Training

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EMC Associate - Data Science and Big Data Analytics v2 Exam Sample Questions (Q230-Q235):

NEW QUESTION # 230
Which characteristic applies only to Business Intelligence as opposed to Data Science?
Response:

A. Supports solving "what if" scenarios
B. Uses predictive modeling techniques
C. Uses only structured data
D. Uses large data sets

Answer: C

NEW QUESTION # 231
Since R factors are categorical variables, they are most closely related to which data classification level?
Response:

A. nominal
B. ratio
C. interval
D. ordinal

Answer: A

NEW QUESTION # 232
In R, functions like plot() and hist() are known as what?
Response:

A. virtual methods
B. generic methods
C. virtual functions
D. generic functions

Answer: A

NEW QUESTION # 233
A data scientist wants to predict the probability of death from heart disease based on three risk factors: age, gender, and blood cholesterol level. What is the most appropriate method for this project?
Response:

A. K-means clustering
B. Apriori algorithm
C. Logistic regression
D. Linear regression

Answer: C

NEW QUESTION # 234
Data visualization is used in the final presentation of an analytics project. For what else is this technique commonly used?
Response:

A. Model selection
B. ETLT
C. Descriptive statistics
D. Data exploration

Answer: D

NEW QUESTION # 235
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