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What is the role of exploratory graphs in data analysis?

(a) They are made for formal presentations

(b) They are typically made very quickly

(c) Axes, legends, and other details are clean and exactly detailed

(d) They are used in place of formal modeling

I had been asked this question by my college director while I was bunking the class.

My question comes from Exploratory Data Analysis topic in section Profiling, Simulation and Data Analysis of R Programming

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Right answer is (b) They are typically made very quickly

The explanation: EDA is used to summarize main characteristic of data.

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