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  • Question
  • Which of the following is an unsupervised data mining technique?


  • Options
  • A. Cluster analysis only
  • B. Regression Analysis only
  • C. RFM Analysis only
  • D. Both Regression Analysis and RFM Analysis

  • Correct Answer
  • Cluster analysis only 


  • Database Processing for BIS problems


    Search Results


    • 1. In OLAP, we are interested in ________ .

    • Options
    • A. levels only
    • B. dimensions only
    • C. measures only
    • D. measures and dimensions
    • Discuss
    • 2. We have done an RFM analysis on our customer data. Mary Jones has a score of "1 1 5". This series means that Mary ________ .

    • Options
    • A. Has ordered recently, orders frequently, and places a large order when she orders.
    • B. Hasn't ordered recently, orders infrequently, but places a large order when she orders.
    • C. Has ordered recently, orders frequently, but doesn't place a large order when she orders
    • D. Hasn't ordered recently, orders infrequently, and doesn't place a large order when she orders.
    • Discuss
    • 3. The "F" in RFM analysis stands for ________ .

    • Options
    • A. frequently
    • B. freshness
    • C. fast food
    • D. fantasy
    • Discuss
    • 4. Which of the following are not done by Business Intelligence (BI) systems?

    • Options
    • A. Analyze past and current activities only
    • B. Process and record transactions only
    • C. Both of the above are correct.
    • D. Neither of the above is correct.
    • Discuss
    • 5. RFM analysis uses customers' purchasing patterns to ________ .

    • Options
    • A. record transactions
    • B. analyze and rank customers
    • C. predict future sales using regression techniques
    • D. perform OLAP
    • Discuss
    • 6. We have Market Basket data for 1,000 rental transactions at a Video Store. There are for videos for rent -- Video A, Video B, Video C and Video D. The probability that both Video C and Video D are rented at the same time is known as ________ .

    • Options
    • A. the basic probability
    • B. support
    • C. lift
    • D. confidence
    • Discuss
    • 7. Business Intelligence (BI) reporting analyses can be performed using ________ .

    • Options
    • A. standard SQL only
    • B. extensions to SQL only
    • C. OLAP only
    • D. both standard SQL and extensions to SQL
    • Discuss
    • 8. A report generated by a reporting system is delivered to the appropriate users via a user-accessed Web site. This system uses which of the following report modes?

    • Options
    • A. Push
    • B. Pull
    • C. RFM
    • D. OLAP
    • Discuss
    • 9. Business Intelligence (BI) reporting systems cannot do which of the following operations?

    • Options
    • A. Filter data
    • B. Group data
    • C. Modify data
    • D. Both filter and group data
    • Discuss
    • 10. One popular classification technique in Business Intelligence (BI) reporting is ________ .

    • Options
    • A. cluster analysis only
    • B. regression analysis only
    • C. RFM analysis only
    • D. both cluster analysis and regression analysis
    • Discuss


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