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Total Questions : 64 | Page 7 of 7 pages
Question 61. . We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ .
  1.    the basic probability
  2.    support
  3.    lift
  4.    confidence
 Discuss Question
Answer: Option D. -> confidence
Question 62. . Which of the following is not a reason that operational data are difficult to read?
  1.    Non-duplicated data
  2.    Dirty data
  3.    Missing values
  4.    Non-integrated data
 Discuss Question
Answer: Option A. -> Non-duplicated data
Question 63. . We have done an RFM analysis on our customer data. Mary Jones has a score of "1 1 5". This series means that Mary ________ .
  1.    Has ordered recently, orders frequently, and places a large order when she orders.
  2.    Hasn't ordered recently, orders infrequently, but places a large order when she orders.
  3.    Has ordered recently, orders frequently, but doesn't place a large order when she orders
  4.    Hasn't ordered recently, orders infrequently, and doesn't place a large order when she orders.
 Discuss Question
Answer: Option C. -> Has ordered recently, orders frequently, but doesn't place a large order when she orders
Question 64. . One popular classification technique in Business Intelligence (BI) reporting is ________ .
  1.    cluster analysis only
  2.    regression analysis only
  3.    RFM analysis only
  4.    both cluster analysis and regression analysis
 Discuss Question
Answer: Option C. -> RFM analysis only

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