WGU D204 EXAM LATEST VERSION A AND PRACTICE
TEST COMPLETE QUESTIONS AND VERIFIED CORRECT
ANSWERS JUST RELEASED.
Business Understanding Phase is also called... - ..(answers)..Discovery Phase
When does an Analyst define the major questions of interest that need to be
answered, determines the needs of the stake holders and assesses the resource
constraints of the project? - ..(answers)..Business Understanding
Which Data Analytics Life Cycle phase uses these tools: Scope Statement,
Stakeholder Register, Gannt Chart, and Network Diagram - ..(answers)..Business
understanding
Lack of clear focus on the stakeholders, timeline, limitations and budget could
potentially derail an analysis in with phase of the data analytics life cycle -
..(answers)..Business Understanding
Which phase of the data analytics life cycle is where data is collected and stored
for easy retrieval from a database, perhaps a component of a data warehouse, by
using a language like SQL - ..(answers)..Data Acquisition
Which Data Analytics Life Cycle phase uses these tools: SQL, Web Scrapping
Software, Survey, Input Data and NoSQL - ..(answers)..Data Acquisition
,What are some potential problems in the data acquisitions phase -
..(answers)..Missing values not being detected, the quality of data, type of data
and the access to data
Data Cleaning phase is also known as... - ..(answers)..Data Cleansing, Data
Wrangling, Data Munging and Feature Engineering
When will the analyst use SQL, Python, R or Excel to perform data modifications
and transformations - ..(answers)..Data Cleaning
Which Data Analytics Life Cycle phase uses these tools: Python, R, SQL and Excel -
..(answers)..Data Cleaning
When can some cleaning techniques that could dramatically change
data/outcomes become a potential problem in the Data Analytics Life Cycle -
..(answers)..Data Cleaning
When outliers that are not dealt with, cause problems with statistical models due
to excessive variability, when can this pose a potential problem - ..(answers)..Data
Cleaning
When does an analyst start to understand the basic nature of the data, the
relationships within it, the structure of the dataset, the presence of outliers and
the distribution of data values - ..(answers)..Data Exploration
, Which Data Analytics Life Cycle phase uses these tools: Distributions, visualization
tools and statistical tools (mean, median, mode) - ..(answers)..Data Exploration
Skipping which data analytics life cycle step could cause: faulty perceptions of the
data which hurt advances analytics and analyst will lack the insight into the
structure of the data set - ..(answers)..Data Exploration
Which data analytics life cycle phase allows the analyst to move beyond
describing the data to creating models that enable predictions of outcomes of
interest - ..(answers)..Predictive Modeling
Which Data Analytics Life Cycle phase uses these tools: Python and R -
..(answers)..Predictive Modeling & Data Mining
Too many input variables can cause problems, correlation does not imply
causation and time series model often need sufficient time data to offer precise
trend information; these are potential problems from which did data analytics life
cycle phase - ..(answers)..Predictive Modeling
Which data analytics life cycle phase looks for patterns and correlations in large
sets of data - ..(answers)..Data Mining
Data Mining is also known as... - ..(answers)..Machine Learning
TEST COMPLETE QUESTIONS AND VERIFIED CORRECT
ANSWERS JUST RELEASED.
Business Understanding Phase is also called... - ..(answers)..Discovery Phase
When does an Analyst define the major questions of interest that need to be
answered, determines the needs of the stake holders and assesses the resource
constraints of the project? - ..(answers)..Business Understanding
Which Data Analytics Life Cycle phase uses these tools: Scope Statement,
Stakeholder Register, Gannt Chart, and Network Diagram - ..(answers)..Business
understanding
Lack of clear focus on the stakeholders, timeline, limitations and budget could
potentially derail an analysis in with phase of the data analytics life cycle -
..(answers)..Business Understanding
Which phase of the data analytics life cycle is where data is collected and stored
for easy retrieval from a database, perhaps a component of a data warehouse, by
using a language like SQL - ..(answers)..Data Acquisition
Which Data Analytics Life Cycle phase uses these tools: SQL, Web Scrapping
Software, Survey, Input Data and NoSQL - ..(answers)..Data Acquisition
,What are some potential problems in the data acquisitions phase -
..(answers)..Missing values not being detected, the quality of data, type of data
and the access to data
Data Cleaning phase is also known as... - ..(answers)..Data Cleansing, Data
Wrangling, Data Munging and Feature Engineering
When will the analyst use SQL, Python, R or Excel to perform data modifications
and transformations - ..(answers)..Data Cleaning
Which Data Analytics Life Cycle phase uses these tools: Python, R, SQL and Excel -
..(answers)..Data Cleaning
When can some cleaning techniques that could dramatically change
data/outcomes become a potential problem in the Data Analytics Life Cycle -
..(answers)..Data Cleaning
When outliers that are not dealt with, cause problems with statistical models due
to excessive variability, when can this pose a potential problem - ..(answers)..Data
Cleaning
When does an analyst start to understand the basic nature of the data, the
relationships within it, the structure of the dataset, the presence of outliers and
the distribution of data values - ..(answers)..Data Exploration
, Which Data Analytics Life Cycle phase uses these tools: Distributions, visualization
tools and statistical tools (mean, median, mode) - ..(answers)..Data Exploration
Skipping which data analytics life cycle step could cause: faulty perceptions of the
data which hurt advances analytics and analyst will lack the insight into the
structure of the data set - ..(answers)..Data Exploration
Which data analytics life cycle phase allows the analyst to move beyond
describing the data to creating models that enable predictions of outcomes of
interest - ..(answers)..Predictive Modeling
Which Data Analytics Life Cycle phase uses these tools: Python and R -
..(answers)..Predictive Modeling & Data Mining
Too many input variables can cause problems, correlation does not imply
causation and time series model often need sufficient time data to offer precise
trend information; these are potential problems from which did data analytics life
cycle phase - ..(answers)..Predictive Modeling
Which data analytics life cycle phase looks for patterns and correlations in large
sets of data - ..(answers)..Data Mining
Data Mining is also known as... - ..(answers)..Machine Learning
