D-DS-FN-23 Certification Dumps, D-DS-FN-23 Relevant Exam Dumps

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EMC D-DS-FN-23 Exam Syllabus Topics:

Topic	Details
Topic 1	Advanced Analytics - Theory, Application, and Interpretation of Results for Eight Methods: This section of the exam measures the skills of an Entry-Level Data Analyst and covers foundational knowledge in various advanced analytics methods. Topics include the theory, application, and interpretation of K-means clustering, association rules, linear and logistic regression, naïve Bayesian classifiers, decision trees, time series analysis, and text analytics.
Topic 2	Operationalizing an Analytics Project and Data Visualization Techniques: This section of the exam measures the skills of an Entry-Level Data Analyst and explains best practices for communicating findings and operationalizing analytics projects. It covers effective methods for presenting projects to various audiences and emphasizes the importance of planning and creating impactful data visualizations.
Topic 3	Big Data, Analytics, and the Data Scientist Role: This section of the exam measures the skills of a Data Science Enthusiast and covers the basic concepts of Big Data, including its defining characteristics and the business drivers behind its rise. It also introduces the role of the Data Scientist, highlighting the critical skills needed in the data science field.
Topic 4	Initial Analysis of the Data: This section of the exam measures the skills of a Data Science Enthusiast and focuses on the first steps in analyzing data. It explains how basic R commands are used for exploration, discusses important statistical measures and visualizations, and describes hypothesis testing techniques for evaluating models.

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EMC Dell Data Science Foundations Sample Questions (Q336-Q341):

NEW QUESTION # 336
What is the primary role of a business intelligence analyst on an analytics project?

A. Defines business goals for the analytics project
B. Provides business-domain expertise
C. Extracts business data from source systems
D. Ensures business milestones are met

Answer: B

Explanation:
The primary role of a business intelligence analyst on an analytics project is to provide business-domain expertise. They bridge the gap between the technical aspects of the project and the business requirements, ensuring that the data and analysis align with the business objectives.

NEW QUESTION # 337
Data visualization is used in the final presentation of an analytics project.
For what else is this technique commonly used?

A. Assessing data quality
B. Model selection
C. Descriptive statistics
D. ETLT

Answer: A

NEW QUESTION # 338
In linear regression modeling, which action can be taken to improve the linearity of the relationship between the dependent and independent variables?

A. Apply a transformation to a variable
B. Calculate the R-Squared value
C. Use a different statistical package
D. Change the units of measurement on the independent variable

Answer: A

NEW QUESTION # 339
You have been assigned to perform a study of the daily revenue effect of a pricing model of online transactions. All data currently available to you has been loaded into your analytics database. This includes revenue data, pricing data, and online transaction data.
You discover that all data comes in different levels of granularity. The transaction data has timestamps consisting of day, hour, minutes, and seconds. Pricing is stored at the daily level and revenue data is only reported monthly.
What is the next step?

A. Report back to the business owner that the current data model does not support the business question.
B. Interpolate a daily model for revenue from the monthly revenue data.
C. Disregard revenue as the key reason in the pricing model and create a daily model based on pricing and transactions only.
D. Aggregate all data to the monthly level in order to create a monthly revenue model.

Answer: A

NEW QUESTION # 340
Which word or phrase completes the statement? Theater actor is to "Artistic and Expressive" as Data Scientist is to __________

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

Answer: B

NEW QUESTION # 341
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