EMC Proven Professional – Data Science and Big Data Analytics — Question 27

In which phase of the data analytics lifecycle do Data Scientists spend the most time in a project?

Answer options

• A. Discovery
• B. Data Preparation
• C. Model Building
• D. Communicate Results

Correct answer: B

Explanation

Data Scientists often spend the most time in the Data Preparation phase because it involves cleaning, transforming, and organizing raw data to make it suitable for analysis. While the other phases are important, they usually require less time compared to preparing the data, which can be complex and time-consuming.