Cross-sectional data refers to data collected at a single point in time across multiple subjects, such as individuals, companies, or countries. It captures a snapshot of variables to analyze differences and relationships among subjects at that particular moment. For example, researchers might collect income and education levels from 1,000 people in a city during a specific year to study correlations. Unlike time-series data, which tracks changes over time, cross-sectional data focuses on variation among subjects at one point. Understanding what is cross sectional data is crucial for accurate analysis, and BookMyEssay provides expert guidance and assignment help on this topic.
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