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WPC 300 Final Exam well answered to pass graded A+ passed
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WPC 300 Final Exam well answered to pass graded A+ passed
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WPC 300 Final Exam well answered topass graded A+ passed
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
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