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Ch 9 Quiz

20 Questions
Ch 9 Quiz
Questions and Answers
  • 1. 
    A _____ is a data collection that addresses the needs of a particular department or functional area of the business.
  • 2. 
    Which of the following problems is particularly common for data that have been gathered over time
  • 3. 
    The facts about data , such as its source, format, assumptions, constraints, and the like are called
  • 4. 
    With _____ data mining, data miners develop a model prior to the analysis and apply statistical techniques to data to estimate parameters of the model.
  • 5. 
    Which of the following is true of data with granularity?
  • 6. 
    ______ reports are business intelligence documents that are updated at the time they are requested.
  • 7. 
    .  _____ systems are information systems that process operational and other data to analyze operational and other data to analyze past performance, and to make predictions.
  • 8. 
    For business intelligence results to have value, they must ______.
  • 9. 
    The users in the data mart obtain data that pertain to a particular business function from the ______.
  • 10. 
    Which of the following activities in the business intelligence process involves delivering business intelligence to the knowledge workers who need it?
  • 11. 
    In ________, the impact of a set of variables on another variable is measured.
  • 12. 
    .  _____ data is data in the form of rows and columns
  • 13. 
    _____ is the process of sorting grouping, summing, filtering, and formatting structured data.
  • 14. 
    _____ is the application of statistical techniques to find patterns and relationships among data for classification and prediction.
  • 15. 
    The goal of _____ is to create information about past performance.
  • 16. 
    Data ______ is the process of obtaining, cleaning, organizing, relating, and cataloging source data.
  • 17. 
    When the BigData collection is broken into pieces, and hundreds or thousands of independent processors search these pieces for something of interest, the process is referred to as the ____ phase.
  • 18. 
    The _____ function of business intelligence
  • 19. 
    Which of the following is true of unsupervised data mining?
  • 20. 
    .  ______ publishing requires the user to request business intelligence results.