SOLVED

41) In online analytic processing systems, ________ are the values or numbers the user wants to analyze. A) dimensions B) forms C) measures D) queries E) entities 42) In online analytic processing systems, ________ provide a way to summarize the data. A) forms B) measures C) facts D) records E) dimensions 43) Which of the following statements is true about the online analytic processing cube? A) It allows you to make hypothetical changes to the data associated with a problem and observe how these changes influence the results. B) It groups related records together on the basis of having similar values for attributes. C) It understands how data is organized in the database and has special functions for analyzing the data. D) It is a data structure allowing for multiple dimensions to be added to a traditional two-dimensional table. E) It uses reasoning methods based on knowledge about a specific problem domain in order to provide advice. 44) Data mining complements online analytic 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 45) ________ can be achieved by rolling up a data cube to the smallest level of aggregation needed, reducing the dimensionality, or dividing continuous measures into discrete intervals. A) Data cleansing B) Normalization C) Clustering D) Data reduction E) Inferencing 46) Which of the following statements is true about association discovery? A) It is a technique used to find correlations among sets of items. B) It is the process of grouping related records together on the basis of having similar values for attributes. C) It is the use of analytical techniques for extracting information from textual documents. D) It is a type of intelligent system that uses reasoning methods based on knowledge about a specific problem domain in order to provide advice. E) It makes sure that each table contains only attributes that are related to the entity. 47) ________ is the process of grouping related records together on the basis of having similar values for attributes. A) Normalization B) Data mining C) Clustering D) Inferencing E) Slicing and dicing 48) Which of the following is a recording of a user’s path through a Web site? A) clustering B) normalization C) slicing and dicing D) clickstream data E) inferencing 49) ________ is the ability to attract and keep visitors. A) Normalization B) Inferencing C) Stickiness D) Crowdsourcing E) Visualization 50) Which of the following analysis are you conducting to make hypothetical changes to the data associated with a problem and observe how these changes influence the results? A) predictive analysis B) time-series analysis C) linear regression analysis D) what-if analysis E) multivariate analysis