EXAMIANS
In OLAP, we are interested in ________ .
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Data warehouse data are usually normalized.
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Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data.
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In unsupervised data mining, explanations are created after patterns are found.
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The "F" in RFM analysis stands for ________ .
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Data Mining uses simple arithmetic techniques such as sums, averages, and groupings to perform what-if analyses, to make predictions, and to facilitate decision making.
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The "curse of dimensionality" relates to which problem of using operational data for BI reporting?
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OnLine Analytical Processing (OLAP) is a BI reporting system.
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In a common form of RFM analysis, customers are sorted in five groups and given a score of 1 to 5 depending on their group.
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Which of the following are not done by Business Intelligence (BI) systems?
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