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Statistical Surveys and OLAP

  • Statistical survey: A popular tool to collect information about a population based on a sample
    • Ex.: TV ratings, US Census, election polls
  • A common tool in politics, health, market research, science, and many more
  • An efficient way of collecting information (Data collection is expensive)
  • Many statistical tools available, to determine validity
    • Confidence intervals
    • Hypothesis tests
  • OLAP (multidimensional analysis) on survey data
    • highly desirable but can it be done well?

Speaker notes:

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