Author Question: Data mining complements online analytical processing in that it ________. A) finds associations ... (Read 137 times)

Engineer · **on:** Jul 7, 2018

Data mining complements online analytical processing in that it ________.

A) finds associations or correlations among sets of items
B) provides capabilities for discovering hidden predictive relationships in the data
C) extracts textual information from Web documents
D) groups related records together on the basis of having similar values for attributes
E) analyzes different dimensions of data beyond simple data summaries

Question 2

Click-through rate reflects ________.

A) the ratio of surfers who visit a Web site divided by the number of surfers who clicked on an ad
B) the ratio of surfers who click on an ad divided by the number of times it was displayed
C) the percentage of visitors who actually perform the marketer's desired action
D) the ratio of surfers who click on an ad divided by the number of people who make a purchase
E) the ratio of surfers who visit a Web site divided by the number of people who make a purchase