Generally it is better to have data that is too fine rather than too coarse.
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Q7: Online transaction processing (OLTP) systems are the
Q8: OLTP provides the ability to sum, count,
Q9: Systems that focus on making data collected
Q10: Coarse data are highly summarized.
Q14: With supervised data mining, analysts create a
Q15: A reporting system is designed to provide
Q16: Data-mining systems use heuristic techniques to process
Q17: Fine data are highly summarized.
Q26: Regression analysis measures the impact of a
Q70: Cluster analysis measures the impact of a
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