Bus Intelligence Essay

Words: 1854
Pages: 8
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TRUE/FALSE
1) Data mining is a way for companies to develop business intelligence from their data to gain a better understanding of their customers and operations and to solve complex organizational problems.
Answer: TRUE
Diff: 1 Page Ref: 190

2) Data mining is a prime candidate for better management of companies that are data-rich, but knowledge-poor.
Answer: TRUE
Diff: 2 Page Ref: 193

3) Business analytics cannot be conducted in real time because it includes components such as metrics and reengineering tools.
Answer: FALSE
Diff: 1 Page Ref: 195

4) Technically speaking, data mining is a process that uses statistical, mathematical, and artificial intelligence techniques to extract and identify useful information and …show more content…
These data are then used to develop models to extrapolate the future values of the same phenomenon.
Answer: time-series
Diff: 2 Page Ref: 203
51) ________ data mining begins with a proposition by the user, who then seeks to validate the truthfulness of the proposition
Answer: Hypothesis-driven
Diff: 2 Page Ref: 204

52) ________ data mining finds patterns, associations, and other relationships hidden within datasets. It can uncover facts that an organization had not previously known or contemplated.
Answer: Discovery-driven
Diff: 2 Page Ref: 204

53) ________ data, also known as categorical data, contains both nominal and ordinal data.
Answer: Qualitative
Diff: 1 Page Ref: 208

54) ________ data can be readily represented by some sort of probability distribution.
Answer: Quantitative
Diff: 1 Page Ref: 209

55) The model's ability to make reasonably accurate predictions, given noisy data or data with missing and erroneous values, is called ________.
Answer: robustness
Diff: 2 Page Ref: 216

56) With ________, a fixed number of instances from the original data is sampled (with replacement) for training and the rest of the dataset is used for testing. This process is repeated as many times as desired.
Answer: bootstrapping
Diff: 2 Page Ref: 219

57) The ________ index has been used in economics to measure the diversity of a population. The same concept can be used to determine the purity of a
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