DSCI 4330 Exam 1 | UPDATED Questions with 100%
Verified Answers
Q1: BI represents a bold new paradigm in which the company's
business strategy must be aligned to its business intelligence
analysis initiatives. T/F
A: FALSE
Q2: The very design that makes an OLTP system efficient for
transaction processing makes it inefficient for
A: end-user ad hoc reports, queries, and analysis.
Q3: In the Opening Vignette on Sports Analytics, what type of
modeling was used to predict offensive tactics?
A: heat maps
Q4: Online transaction processing (OLTP) systems handle a
company's routine ongoing business. In contrast, a data
warehouse is typically
A: a distinct system that provides storage for data that will be made use of in analysis.
Q5: Due to industry consolidation, the analytics ecosystem
consists of only a handful of players across several functional
areas. T/F
A: FALSE
Q6: The need for more versatile reporting than what was available
in 1980s era ERP systems led to the development of what type
of system?
A: executive information systems
Q7: Relational databases began to be used in the
A: 1980s
Q8: The use of dashboards and data visualizations is seldom
effective in identifying issues in organizations, as
demonstrated by the Silvaris Corporation Case Study. T/F
A: FALSE
Q9: Traditional BI systems use a large volume of static data that
has been extracted, cleansed, and loaded into a data
, warehouse to produce reports and analyses. T/F
A: TRUE
Q10: Which of the following is NOT an example of transaction
processing?
A: sales report
Q11: This plot is a graphical illustration of several descriptive
statistics about a given data set.
A: box-and-whiskers plot
Q12: Contextual metadata for a dashboard includes all the
following EXCEPT
A: which operating system is running the dashboard server software.
Q13: This measure of dispersion is calculated by simply taking the
square root of the variations.
A: standard deviation
Q14: Visualization differs from traditional charts and graphs in
complexity of data sets and use of multiple dimensions and
measures. T/F
A: TRUE
Q15: Descriptive statistics is all about describing the sample data
on hand.
A: TRUE
Q16: Data accessibility means that the data are easily and readily
obtainable. T/F
A: TRUE
Q17: 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
A: FALSE
Q18: Which kind of chart is described as an enhanced version of a
scatter plot?
Verified Answers
Q1: BI represents a bold new paradigm in which the company's
business strategy must be aligned to its business intelligence
analysis initiatives. T/F
A: FALSE
Q2: The very design that makes an OLTP system efficient for
transaction processing makes it inefficient for
A: end-user ad hoc reports, queries, and analysis.
Q3: In the Opening Vignette on Sports Analytics, what type of
modeling was used to predict offensive tactics?
A: heat maps
Q4: Online transaction processing (OLTP) systems handle a
company's routine ongoing business. In contrast, a data
warehouse is typically
A: a distinct system that provides storage for data that will be made use of in analysis.
Q5: Due to industry consolidation, the analytics ecosystem
consists of only a handful of players across several functional
areas. T/F
A: FALSE
Q6: The need for more versatile reporting than what was available
in 1980s era ERP systems led to the development of what type
of system?
A: executive information systems
Q7: Relational databases began to be used in the
A: 1980s
Q8: The use of dashboards and data visualizations is seldom
effective in identifying issues in organizations, as
demonstrated by the Silvaris Corporation Case Study. T/F
A: FALSE
Q9: Traditional BI systems use a large volume of static data that
has been extracted, cleansed, and loaded into a data
, warehouse to produce reports and analyses. T/F
A: TRUE
Q10: Which of the following is NOT an example of transaction
processing?
A: sales report
Q11: This plot is a graphical illustration of several descriptive
statistics about a given data set.
A: box-and-whiskers plot
Q12: Contextual metadata for a dashboard includes all the
following EXCEPT
A: which operating system is running the dashboard server software.
Q13: This measure of dispersion is calculated by simply taking the
square root of the variations.
A: standard deviation
Q14: Visualization differs from traditional charts and graphs in
complexity of data sets and use of multiple dimensions and
measures. T/F
A: TRUE
Q15: Descriptive statistics is all about describing the sample data
on hand.
A: TRUE
Q16: Data accessibility means that the data are easily and readily
obtainable. T/F
A: TRUE
Q17: 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
A: FALSE
Q18: Which kind of chart is described as an enhanced version of a
scatter plot?
