WGU D204 Master’s in Data Analytics Exam | Complete Question Set & Verified Answers for Assessment Success

WGU D204 Master’s in Data Analytics Exam |
Complete Question Set & Verified Answers for
Assessment Success

1. Data scientists are able to find
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tured data.: answer- order, meaning, and value
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2. Whatisinvolvedintheplanningphase?:answer- 1.Defininggoals
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2. Organizing resources j




3. Coordinate people j




4. Schedule project j




3. Whatis involvedinthewranglingphase?:answer- 5.Getdata
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6. Clean data j




7. Explore data j




8. Refine data j




4. WhatisinvolvedintheModeling phase?:answer- 9.Create model
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10. Validatemodel j




11. Evaluate model j




12. Refine model j




5. What is involved in the Applying phase?:answer-
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14. Deploy model j




1/ 30
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,15. Revisit model j




16. Archive assets j




6. are programming languages that are very frequent-
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ly used for data manipulation and modeling.: Python or R
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7. are general-purpose languages that are used for the back end,
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the foundational elementsterm-26 of data science, and they provide maximum
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speed.: C, and C++, and Java j j j j j




8. is a language for working with relational databases
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to do queries and data manipulation.: SQL
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9. What does SQL stand for?: structured query language
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10. This is where you actually create the statistical model and you do the
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linear regression. You do the decision tree. You do the deep learning neural
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network.: Modeling j




11. These are the developers, and the system architects, the people who
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focus on the hardware and the software that make data science possible: Data
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engineers

12. This is the phase of collecting data.: Data acquisition
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13. Whichphase?-Workingwithstakeholderstohelpthem askbetter ques- tions
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so that both they and you understand the outcome.: Discovery
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2/ 30 j j

,14. What are the 4 parts of data analytics cycle?: Planning, Wrangling,
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Modeling and Applying
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15. This phase is also known as the discovery phase. During this phase, an
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analyst defines the major questions of interest that need to be answered, un-
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3/ 30
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, derstand the needs of the stakeholders, and assess the resource constraints in
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the project.: Business understanding
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16. is the person who champions the vision of
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the project and has the authority to allocate resources.: The project
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sponsor

17. is responsible for making sure things get done on
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time and within budget and removes roadblocks.: Project manager
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18. is when new requirements are added to the project that
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increases the time/resources needed to complete it.: Scope creep
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19. What are the 3 types of analysis?: Descriptive, Predictive, Prescriptive
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20. describes the data thatis present. Mean, j j j j j j j




Median, Mode, counting things. How many of each size and color of shirt were
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sold in the last month? Do we sell more shirts in the summer vs winter?: De-
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scriptive analysis j




21. makes predictions about future state of business.
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Forecasting volumes for example. Based on last summer and winter, what willj j j j j j j j j j j




we sell next year?: Predictive analytics
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