IBM Data Science Practice Test 2025 – Comprehensive Exam Prep

Question: 1 / 400

What is the main goal of data collection in a data science project?

To reduce the workload of data analysis

To gather raw data necessary for analysis and model building

The primary goal of data collection in a data science project is to gather the raw data necessary for analysis and model building. This phase is crucial because the quality and quantity of the collected data directly influence the effectiveness of the analysis and the accuracy of the models developed. Data collection involves identifying relevant data sources, deciding on the appropriate methods for collecting data, and ensuring that the right quantity and quality of data is obtained to support the analytical objectives.

In the context of a data science project, raw data serves as the foundation upon which insights are drawn and models are built. Without relevant and sufficient raw data, subsequent stages of data processing, analysis, and modeling may lack the depth and accuracy needed to yield meaningful outcomes. Thus, gathering raw data effectively sets the stage for a successful data science endeavor.

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To ensure data is presented in visual formats

To analyze existing datasets

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