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Explanation: A data analyst's core responsibility revolves around making sense of raw data. In this scenario, the analyst is focused on sales data, requiring a systematic approach: extracting data from sources, cleaning it to remove inaccuracies, and analyzing it for actionable insights. The goal is to identify patterns, such as sales trends, peak periods, or product performance. This helps in informed decision-making, such as tailoring marketing strategies or inventory planning, aligning directly with the company’s goals. Option A: Designing and building a website is a role typically handled by web developers or UI/UX designers, not data analysts. Option B: While market surveys might provide data, conducting them is usually the role of a market research team. Data analysts may analyze the results but don’t directly conduct surveys. Option D: Developing machine learning algorithms falls under the role of data scientists or machine learning engineers, which is more advanced than the typical responsibilities of a data analyst. Option E: Writing and maintaining software is the responsibility of software developers or engineers. While analysts might use software, they don’t typically write or maintain it.
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