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WGU D204: The Data Analytics Journey Exam Questions | Accurate Answers | Latest Update | Graded A
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WGU D204: The Data Analytics Journey Exam Questions | Accurate Answers | Latest Update | Graded A
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D204: The Data Analytics Journey EXAMQUESTIONS |ACCURATE ANSWERS|
LATAEST UPDATE|GRADED A|.
A data analytics project team is preparing to develop a predictive model that will be
included within a business intelligence tool for upper management. Which step should
be considered for inclusion when creating the project schedule?
A. Model testing and validation for users
B. Business intelligence tool interface training
C. Model training and testing for stakeholders
D. Business intelligence tool data transformation training
- ANSWER B
Which task would an analyst consider first during the discovery phase of the data
analytics lifecycle?
A. Seek out necessary data sources.
B. Formulate a project plan.
C. Identify project goals.
D. Develop key metrics.
- ANSWER C
Numerical measurements of the amount of a toxic chemical substance are recorded in a
large database. Which hypothesis can the data analyst answer through exploratory data
analytic methods?
A. The chemical will not cause harm to the habitat's native species.
B. The chemical contamination is a result of human activity.
C. The statistical distribution of the chemical measurements is normal.
D. The best analytic approach for analyzing the data is linear regression
. - ANSWER C
A restaurant owner wants to sponsor a data analytics project to provide insights
regarding hamburger sales before developing a strategy for increasing sales. Which
question is framed appropriately for the data analytics project?
A. What are the characteristics of customers who buy hamburgers?
B. What does the supply and demand curve look like for hamburgers?
,C. Which discount coupons should we send to neighborhood residents?
D. Which varieties of hamburgers are featured by competitors?
- ANSWER A
Which organizational objective could be accomplished with a descriptive data analytics
project using website request logs as a data source?
A. Explain why web data transfer has increased 25%
B. Estimate the traffic increase for a new product launch
C. Improve the speed of server request processing
D. Recommend a strategy to increase network capacity
- ANSWER A.
A travel website tabulated the results of their latest marketing campaign to understand
the relationship of clicks-to-sales conversions. Which area of analytics does this activity
represent?
- ANSWER Descriptive
An analyst is looking at data that includes the customer's address, date of purchase,
and age. Which question could be answered from this data?
A. Which customer has spent the highest dollar amount?
B. Which customer is most likely to respond favorably to the next marketing campaign?
C. Which state has the highest total customers?
D. Which product has sold the most in a certain state?
- ANSWER C.
Which outcome should be expected when working with data aggregated from multiple
sources? Select two answers.
a. Consistently named fields
B. Inconsistently named fields
C. Data needs cleaning
D. Data does not need cleaning
- ANSWER B & C
,Which technique can a project manager use to foster the identification of quality data
analytics questions?
A. Organized project planning
B. Rigorous data cleaning
C. Frequent collaboration with the team
D. Acquisition of abundant project resources
- ANSWER C
A data analyst notices that the data selected for an analytics project is slightly
misaligned with the research question. How can the data analyst resolve this situation?
A. Halt the data analytics project to pursue a new research question
B. Dive deeper into the data to identify data quality issues
C. Adjust the research question to reframe the analysis
D. Transform the data to a new metric
- ANSWER C
A consumer sues an entertainment streaming company for leaking personal information
regarding her viewing habits. Which ASA ethical standard did the streaming company
violate?
A. Conflict of interest
B. Biases
C. Privacy
D. Unfair discrimination
- ANSWER C
A specific drug is manufactured for the treatment of depression. The company decides
to ignore research results on an alternative, less expensive, drug treatment in order to
make higher profits. Which ASA ethical standard has the company violated?
A. Unfair discrimination
B. Reproducible results
C. Conflict of interest
D. Transparent assumptions
- ANSWER C.
What do open-source software tools and widely available analysis tools, such as
spreadsheets, help accomplish?
A. Data schemas
B. Data democratization
C. Data security
D. Data compliance
, - ANSWER B
What is a feature of SQL? Choose 2 answers.
A. It is an object-oriented programming language.
B. The basic language is the same across database servers.
C. It has built-in chart and graph creation.
D. It is used with structured data and unstructured data.
- ANSWER B & D
What is an example of unstructured data?
A. Names, dates, and addresses
B. Credit card numbers that include a credit score
C. Text messages that include video
D. Height, weight, and gender
- ANSWER C
Which tool should a researcher use to conduct a univariate analysis on complex
statistical data?
A. Tableau
B. Power BI
C. R
D. SQL
- ANSWER C
Which statistical technique should be used to draw conclusions about an entire
population based on a representative sample?
A. Correlation
B. Bayes theorem
C. Hypothesis testing
D. Measures of central tendency
- ANSWER C
What is an example of random sampling of college students?
A. Surveying students chosen arbitrarily from around the entire college campus
B. Surveying every student in the college library
C. Surveying students chosen arbitrarily in the library of the university
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