WPC 300 FINAL EXAM QUESTIONS AND 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
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