Assignment 4 (Sol.)
Introduction to Data Analytics
Prof. Nandan Sudarsanam & Prof. B. Ravindran
1. Which among the following techniques can be used to aid decision making when those decisions
depend upon some available data?
(a) descriptive statistics
(b) inferential statistics
(c) predictive analytics
(d) prescriptive analytics
Sol. (a), (b), (c), (d)
The techniques listed above allow us to visualise and understand data, infer properties of data
sets and compare data sets, as well as build models of the processes generating the data in
order to make predictions about unseen data. In different scenarios, each of these processes
can be used to help in decision making.
2. In a popular classification algorithm it is assumed that the entire input space can be divided
into axis-parallel rectangles with each such rectangle being assigned a class label. This assumption is an example of
(a) language bias
(b) search
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