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EMC DEA-7TT2 (Associate - Data Science and Big Data Analytics v2) Exam is a certification program offered by Dell EMC. Associate - Data Science and Big Data Analytics v2 Exam certification is designed for professionals who want to gain knowledge in big data analytics and data science. Associate - Data Science and Big Data Analytics v2 Exam certification is ideal for professionals who want to enhance their skills and knowledge in this field and want to prove their expertise to potential employers.

EMC DEA-7TT2 exam presents an excellent opportunity for individuals seeking to advance their careers in data science and big data analytics. Associate - Data Science and Big Data Analytics v2 Exam certification exam is globally recognized, equipping candidates with the latest tools and technologies used in the industry, thereby making a significant impact on organizations where they work. Furthermore, the exam provides learners with a chance to validate their skills by obtaining a renowned certification as a data science and big data analytics professional.

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The world today is becoming more data-driven than ever before. The growth of data in size and complexity is continuously increasing, and organizations are struggling to make sense of it all. To address this issue, many companies are turning to big data analytics solutions to help them leverage their data and create valuable insights. This is where the EMC DEA-7TT2 Exam comes in.

EMC Associate - Data Science and Big Data Analytics v2 Exam Sample Questions (Q66-Q71):

NEW QUESTION # 66
A business colleague who is new to Hadoop approaches you with a question. The colleague wants to know the best approach to access their dat a. The colleague has previously worked extensively with SQL and databases.
Which query interface should be recommended?
Response:

A. Howl
B. Pig
C. Hive
D. HBase

Answer: C

NEW QUESTION # 67
You need to run a hypothesis test across three normally distributed populations. Which technique should you use?
Response:

A. Welch,s t-test
B. Z-test
C. ANOVA
D. Wilcoxon rank sum test

Answer: C

NEW QUESTION # 68
Which participant in a data analytics project is typically responsible for assessing the validity of the model?
Response:

A. Business user
B. Project manager
C. Project sponsor
D. Data scientist

Answer: D

NEW QUESTION # 69
You are assigned the task of creating customer profiles for your company. In your database, you have 25 key input variables that come together to define 2,500 customers. You decide to run a K-means cluster analysis on the 25 input variables based on k=4 to build your profiles.
Your analysis resulted in four cluster populations:
Cluster A=1,000 customers
Cluster B=560 customers
Cluster C=925 customers
Cluster D=15 customers
What should be attempted first to more evenly distribute the customer population across clusters?
Response:

A. Increase K from 4 to 5
B. Remove the 15 customers in Cluster D from the population
C. Reduce K from 4 to 3
D. Remove some of the input variables from the analysis

Answer: C

NEW QUESTION # 70
In data visualization, what is used to focus the audience on a key part of a chart?
Response:

A. Detailed text
B. Pastel colors
C. A data table
D. Emphasis colors

Answer: D

NEW QUESTION # 71
......

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