DATA SCIENCE EXAM QUESTIONS
WITH VERIFIED ANSWERS. A+ GRADE
2025/2026.
Data is the contextualization of information, that is, information set in context. (T/F) -
ANS True
Data is the main ingredient for any BI, data science, and business analytics initiative. (T/F) -
ANS True
Predictive algorithms generally require a flat file with a target variable, so making data analytics
ready for prediction means that data sets must be transformed into a flat-file format and made
ready for ingestion into those predictive algorithms.(T/F) - ANS True
The data storage component of a business reporting system builds the various reports and
hosts them for, or disseminates them to users. It also provides notification, annotation,
collaboration, and other services.(T/F) - ANS False
There are basic chart types and specialized chart types. A Gantt chart is a specialized chart type.
(T/F) - ANS True
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, Visualization differs from traditional charts and graphs in complexity of data sets and use of
multiple dimensions and measures. (T/F) - ANS True
When telling a story during a presentation, it is best to avoid describing hurdles that your
character must overcome, to avoid souring the mood. (T/F) - ANS False
Visual analytics is aimed at answering, "What is it happening?" and is usually associated with
business analytics. (T/F) - ANS False
Dashboards provide visual displays of important information that is consolidated and arranged
across several screens to maintain data order. (T/F) - ANS False
In the Dallas Cowboys case study, the focus was on using data analytics to decide which players
would play every week. (T/F) - ANS False
Data source reliability means that data are correct and are a good match for the analytics
problem. (T/F) - ANS False
Data accessibility means that the data are easily and readily obtainable. (T/F) - ANS True
Structured data is what data mining algorithms use and can be classified as categorical or
numeric. (T/F) - ANS True
Interval data are variables that can be measured on interval scales. (T/F) - ANS True
Nominal data represent the labels of multiple classes used to divide a variable into specific
groups. (T/F) - ANS False
Descriptive statistics is all about describing the sample data on hand. (T/F) - ANS True
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
WITH VERIFIED ANSWERS. A+ GRADE
2025/2026.
Data is the contextualization of information, that is, information set in context. (T/F) -
ANS True
Data is the main ingredient for any BI, data science, and business analytics initiative. (T/F) -
ANS True
Predictive algorithms generally require a flat file with a target variable, so making data analytics
ready for prediction means that data sets must be transformed into a flat-file format and made
ready for ingestion into those predictive algorithms.(T/F) - ANS True
The data storage component of a business reporting system builds the various reports and
hosts them for, or disseminates them to users. It also provides notification, annotation,
collaboration, and other services.(T/F) - ANS False
There are basic chart types and specialized chart types. A Gantt chart is a specialized chart type.
(T/F) - ANS True
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, Visualization differs from traditional charts and graphs in complexity of data sets and use of
multiple dimensions and measures. (T/F) - ANS True
When telling a story during a presentation, it is best to avoid describing hurdles that your
character must overcome, to avoid souring the mood. (T/F) - ANS False
Visual analytics is aimed at answering, "What is it happening?" and is usually associated with
business analytics. (T/F) - ANS False
Dashboards provide visual displays of important information that is consolidated and arranged
across several screens to maintain data order. (T/F) - ANS False
In the Dallas Cowboys case study, the focus was on using data analytics to decide which players
would play every week. (T/F) - ANS False
Data source reliability means that data are correct and are a good match for the analytics
problem. (T/F) - ANS False
Data accessibility means that the data are easily and readily obtainable. (T/F) - ANS True
Structured data is what data mining algorithms use and can be classified as categorical or
numeric. (T/F) - ANS True
Interval data are variables that can be measured on interval scales. (T/F) - ANS True
Nominal data represent the labels of multiple classes used to divide a variable into specific
groups. (T/F) - ANS False
Descriptive statistics is all about describing the sample data on hand. (T/F) - ANS True
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
