WPC 300 Final Exam ACTUAL
QUESTIONS AND CORRECT ANSWERS
Perform business discovery - CORRECT ANSWER In an agile approach of analytics what is
the first step of the process?
Data warehouse - CORRECT ANSWER In an ETL process, data is loaded into a final target
database such as:
Prescriptive analytics - CORRECT ANSWER Which of the following data analysis models use
optimization techniques?
Prescriptive Analytics - CORRECT ANSWER Predictive analytics may be applied to
__________, which is a set of techniques that use descriptive data and forecasts to identify the
decisions most likely to result in the best performance.
Descriptive analytics - CORRECT ANSWER Target is examining their online sales data during
the pandemic to understand what happened. Which kind of analytical technique are they using?
Predictive analytics - CORRECT ANSWER Costco wants to know how to stock their
warehouses for a future pandemic and are using current sales data to help them project the needs.
Which kind of analytical technique are they using?
Prescriptive analytics - CORRECT ANSWER Your professor is considering purchasing a self-
driving car that can figure out the best route and the optimum safe way to drive there without human
intervention. What kind of analytics is the car using to do this?
Who will win the NBA championship?
How many students will enroll for an online class in the Spring?
What is the purchase pattern(s) of our customers? - CORRECT ANSWER Which of the
following question(s) can be better answered using data in order to reach an evidence-based
conclusion?
, Data ink can sometimes help tell a richer story - CORRECT ANSWER Which of the following
statement(s) about charts is true?
The data-ink ratio should be higher than 1 - CORRECT ANSWER Which of the following
violates the principle of data visualization?
Close to 1 - CORRECT ANSWER In for a chart to minimize graphical complexity, the data-
ink ratio must be:
Tables cannot easily show trends - CORRECT ANSWER Which of the following statements is
a reason not to use a table for data visualization?
The size of the effect shown in the graph is bigger than the actual effect in the data. - CORRECT
ANSWER When the lie-factor of a graphical chart is more than 1,
Increases the data-ink ratio - CORRECT ANSWER Deleting the grid lines in a chart
Plots data using a circular historical plot - CORRECT ANSWER What best describes the
nature of a rose diagram?
Close to 1 - CORRECT ANSWER In order for a chart to have graphical integrity, the lie factor
must be:
Which of the following statement(s) about charts is true? - CORRECT ANSWER A chart
should have graphical integrity
A chart should minimize graphical complexity
A chart should tell a story
The graph suggests a possible true effect - CORRECT ANSWER Which are useful principles
for data visualization?
Distribution of the sample mean will still be normal when the sample size is large - CORRECT
ANSWER The central limit theorem states that even if the population is not normally
distributed, the
QUESTIONS AND CORRECT ANSWERS
Perform business discovery - CORRECT ANSWER In an agile approach of analytics what is
the first step of the process?
Data warehouse - CORRECT ANSWER In an ETL process, data is loaded into a final target
database such as:
Prescriptive analytics - CORRECT ANSWER Which of the following data analysis models use
optimization techniques?
Prescriptive Analytics - CORRECT ANSWER Predictive analytics may be applied to
__________, which is a set of techniques that use descriptive data and forecasts to identify the
decisions most likely to result in the best performance.
Descriptive analytics - CORRECT ANSWER Target is examining their online sales data during
the pandemic to understand what happened. Which kind of analytical technique are they using?
Predictive analytics - CORRECT ANSWER Costco wants to know how to stock their
warehouses for a future pandemic and are using current sales data to help them project the needs.
Which kind of analytical technique are they using?
Prescriptive analytics - CORRECT ANSWER Your professor is considering purchasing a self-
driving car that can figure out the best route and the optimum safe way to drive there without human
intervention. What kind of analytics is the car using to do this?
Who will win the NBA championship?
How many students will enroll for an online class in the Spring?
What is the purchase pattern(s) of our customers? - CORRECT ANSWER Which of the
following question(s) can be better answered using data in order to reach an evidence-based
conclusion?
, Data ink can sometimes help tell a richer story - CORRECT ANSWER Which of the following
statement(s) about charts is true?
The data-ink ratio should be higher than 1 - CORRECT ANSWER Which of the following
violates the principle of data visualization?
Close to 1 - CORRECT ANSWER In for a chart to minimize graphical complexity, the data-
ink ratio must be:
Tables cannot easily show trends - CORRECT ANSWER Which of the following statements is
a reason not to use a table for data visualization?
The size of the effect shown in the graph is bigger than the actual effect in the data. - CORRECT
ANSWER When the lie-factor of a graphical chart is more than 1,
Increases the data-ink ratio - CORRECT ANSWER Deleting the grid lines in a chart
Plots data using a circular historical plot - CORRECT ANSWER What best describes the
nature of a rose diagram?
Close to 1 - CORRECT ANSWER In order for a chart to have graphical integrity, the lie factor
must be:
Which of the following statement(s) about charts is true? - CORRECT ANSWER A chart
should have graphical integrity
A chart should minimize graphical complexity
A chart should tell a story
The graph suggests a possible true effect - CORRECT ANSWER Which are useful principles
for data visualization?
Distribution of the sample mean will still be normal when the sample size is large - CORRECT
ANSWER The central limit theorem states that even if the population is not normally
distributed, the
