Data Analytics Exam Pack Questions,
Answers & Detailed Explanations.
This comprehensive Data Analytics Exam resource is designed to support students
in mastering core concepts and excelling in assessments. It features a curated set
of exam-relevant questions and well-explained solutions, covering data
preprocessing, visualization techniques, and analytical methods.
Structured for clarity and efficiency, this guide is ideal for both in-depth study and
quick revision, helping learners build confidence and achieve strong academic
performance.
1
,Data Analytics
The process of evaluating data with the purpose of drawing conclusions to address business
questions- provides a way to search through large structured and unstructured data to identify
unknown patterns or relationships
Big Data
Refers to datasets which are too large and complex to be analyzed traditionally
3 V's of Big Data
Volume, Velocity, Variety
Volume
Refers to the size of big data
Velocity
Refers to the frequency of big data
Variety
Refers to the different types of data
1.7 megabytes
2
, By 2020, about _________ of new information will be created every second for every human on
the planet
Two
More data created in the last ____ years than in all previous human history.
Uses of data analytics
Uncover customer buying patterns; Investigate unexpected anomalies; Forecast future
possibilities; Create more directed marketing campaigns; Identify new risks or opportunities
IMPACT model
1. Identify the questions
2. Master the data
3. Perform the test plan
4. Address and refine results
5. Communicate insights
6. Track outcomes
Step 1: Identify the questions
Understand the business problems that need to be addressed- have a concrete specific question
to be answered
3
Answers & Detailed Explanations.
This comprehensive Data Analytics Exam resource is designed to support students
in mastering core concepts and excelling in assessments. It features a curated set
of exam-relevant questions and well-explained solutions, covering data
preprocessing, visualization techniques, and analytical methods.
Structured for clarity and efficiency, this guide is ideal for both in-depth study and
quick revision, helping learners build confidence and achieve strong academic
performance.
1
,Data Analytics
The process of evaluating data with the purpose of drawing conclusions to address business
questions- provides a way to search through large structured and unstructured data to identify
unknown patterns or relationships
Big Data
Refers to datasets which are too large and complex to be analyzed traditionally
3 V's of Big Data
Volume, Velocity, Variety
Volume
Refers to the size of big data
Velocity
Refers to the frequency of big data
Variety
Refers to the different types of data
1.7 megabytes
2
, By 2020, about _________ of new information will be created every second for every human on
the planet
Two
More data created in the last ____ years than in all previous human history.
Uses of data analytics
Uncover customer buying patterns; Investigate unexpected anomalies; Forecast future
possibilities; Create more directed marketing campaigns; Identify new risks or opportunities
IMPACT model
1. Identify the questions
2. Master the data
3. Perform the test plan
4. Address and refine results
5. Communicate insights
6. Track outcomes
Step 1: Identify the questions
Understand the business problems that need to be addressed- have a concrete specific question
to be answered
3
