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SSA #1 questions with answers graded A+
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SSA #1 questions with answers graded A+
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SSA #1 questions with answers gradedA+
What are four main business analytics?
(Slide 3 of Course Overview) - correct answer ✔✔-Descriptive Analytics
-Diagnostic Analytics
-Predictive Analytics
-Prescriptive Analytics
-What is the main question for descriptive analytics?
-And what are the key technologies for descriptive analytics?
(Slide 4 of Course Overview) - correct answer ✔✔-What happened?
-Business reporting, scorecards, data warehousing
-What is the main question for diagnostic analytics?
-And what are key technologies for diagnostic analytics?
(Slide 5 of Course Overview) - correct answer ✔✔-Why is something happening?
-What is the main question for predictive analytics?
-And what are key technologies for predictive analytics?
(Slide 6 of Course Overview) - correct answer ✔✔-What will happen?
-Time-series forecasting, data mining, text mining
-What is the main question for prescriptive analytics
, -And what are key technologies for prescriptive analytics?
(Slide 7 of Course Overview) - correct answer ✔✔-What should we do if something happens?
-Optimization, simulation, decision tree
Textbook Problem 2.1: Supervised vs. Unsupervised Learning
a. The database includes whether the loan was approved or not.
b. There is no apparent outcome (e.g., whether the recommendation was adopted or not)
c. The other packets status is known
d. There is no known outcome (though once you use unsupervised learning to identify segments, you
could use supervised learning to classify new customers into those segments).
e. The status of the similar firms is known.
f. There is likely to be knowledge of actual (historic) repair times of similar repairs.
g. There is likely to be knowledge about whether the sorting was correct.
h. We assume that we do not know what will be purchased in the future.
(Slide 7 of Business Analytics Overview) - correct answer ✔✔a. Supervised
b. Unsupervised
c. Supervised
d. Unsupervised
e. Supervised
f. Supervised
g. Supervised
h. Unsupervised
Problem 2.2: Data Partitioning
Describe the difference in roles assumed by the validation partition and the test partition:
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