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What is Understanding Data Quality and Types about?
Unit 2 covers the concepts of data and data quality, emphasizing the importance of understanding data types, measurement scales, and sources for effective statistical analysis. It outlines various data types, including qualitative and quantitative, and their respective measurement scales: nominal, ordinal, interval, and ratio. Additionally, the unit distinguishes between internal and external data sources, as well as primary and secondary data, highlighting their significance in ensuring reliable statistica
- Author
- tt840912
- Language
- EN