Introduction to Analytics D491 Pre-Assessment Review questions and answers

Introduction to
Analytics D491: Pre-
Assessment Review
questions and answers
already graded A+
(EVERYTHING YOU
NEED TO PASS)
Which skills are required by data scientists for converting
unstructured data to structured data in data analytics
projects?


Data visualization skills
Data wrangling skills
Text mining skills
Machine learning skills - answer Data wrangling skills


Which skill must a business intelligence analyst possess to
collect and organize data?

,Data preparation
Data visualization
Data modeling
Machine learning - answer Data preparation


Which project-related activity typically takes up the
majority of a data analyst's time?


Data preparation
Data interpretation
Conducting A/B testing
Building models - answer Data preparation


What is a skill required of a data engineer?


Creating data visualizations
Maintaining databases
Training machine learning models
Writing programs that perform data analysis - answer
Maintaining databases


Which software do business intelligence analysts use to
perform their responsibilities?


Microsoft Excel
R

, Python
Minitab - answer Microsoft Excel


Which role is responsible for project initiation and
providing the requirements for a project?


Business intelligence analyst
Project sponsor
Business user
Data scientist - answer Project sponsor


Which job position is primarily responsible for designing
and constructing data pipelines within the field of data
analytics?


Data analyst
Data scientist
Data administrator
Data engineer - answer Data engineer


Which role in a data analytics project helps data scientists
shape data for analysis?


Project sponsor
Data engineer
Business intelligence analyst