Exam 8: E-Commerce and Web 2.0

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Thomas Davenport noted that a major grocery chain used less than __________ percent of its scanner data

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______is data about data.

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Cluster analysis measures the impact of a set of variables on another variable.

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__________ measure(s )the impact of a set of variables on another variable.

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___________data mining happens when analysts do not create a data model or hypothesis before running the analysis.

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What is a data mart?

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What is supervised data -mining?

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__________ provides the ability to sum,count,average,and perform other simple arithmetic operation on groups of data.

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Coarse data are highly summarized.

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What are some of the obstacles to developing data -mining applications in the real world? Does this mean that data -mining projects should be avoided?

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With __________ ,analysts do not create a model or hypothesis before running the analysis.Instead, they apply the data -mining technique to the data and observe the results.

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Which of the following systems fosters innovation,improves customer service,increases organizational responsiveness by getting products and services to market faster,and reducing costs?

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When data miners develop a model or hypothesis and then use statistical techniques to test it in the sample data set,they are using a(n)___________ data -mining technique

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__________ is a statistical technique that can identify groups of entities that have similar characteristics.

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A person's clicking behavior on the web is termed as their

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Customer's web clicking behavior is called___________ .

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With___________ ,data miners develop a model prior to the analysis and apply statistical techniques to data to estimate parameters of the model.

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Sometimes,large organizations break out __________from their data warehouses so they can be used for a specific functional area of the organization like marketing or finance.

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If a part number is changed,but the data in the data warehouse does not reflect this change the data is said to be____________ .

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By sharing knowledge companies can

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