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EMC Associate - Data Science and Big Data Analytics v2 Exam Sample Questions (Q136-Q141):

NEW QUESTION # 136
Which word or phrase completes the statement? Theater actor is to "Artistic and Expressive" as Data Scientist is to __________ Response:

A. "Communicative and Collaborative"
B. "Introverted and Technical"
C. "Logical and Steadfast"
D. "Independent and Intelligent"

Answer: A

NEW QUESTION # 137
A disk drive manufacturer has a defect rate of less than 1.5% with 98% confidence. A quality assurance team samples 1000 disk drives and finds 14 defective units. Which action should the team recommend?
Response:

A. There is a flaw in the quality assurance process and the sample should be repeated
B. A smaller sample size should be taken to determine if the plant is operating correctly
C. The manufacturing process is functioning properly and no further action is required
D. A larger sample size should be taken to determine if the plant is operating correctly

Answer: C

NEW QUESTION # 138
When creating a presentation for a technical audience, what is the main objective?
Response:

A. Show the technique to be used in the production environment
B. Show that you met the project goals
C. Show if the model will meet the SLA
D. Show how you met the project goals

Answer: D

NEW QUESTION # 139
Refer to the exhibit.

You have scored your Naive bayesian classifier model on a hold out test data for cross validation and determined the way the samples scored and tabluated them as shown in the exhibit.
What are the Precision and Recall rate of the model?
Response:

A. Precision = 277/262 Recall = 288/262
B. Precision = 288/262 Recall = 277/262
C. Precision = 262/277 Recall = 262/288
D. Precision =262/288 Recall = 262/277

Answer: C

NEW QUESTION # 140
Which key role for a successful analytic project can consult and advise the project team on the value of end results and how these will be used on a day-to-day basis?
Response:

A. Business User
B. Business Intelligence Analyst
C. Project Manager
D. Data Scientist

Answer: A

NEW QUESTION # 141
......

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