Exam 12: Decision Making and Business Intelligence

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A data warehouse contains a special database that stores the ________, which records its source, history, and format of the data.

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What is the purpose of business intelligence? What kind of BI tools are there?

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________ systems process data using sophisticated statistical techniques like regression analysis and decision tree analysis.

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What is online analytic processing?

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

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What is clickstream data?

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When an area code changes in a database, the phone number for a given customer before the change will not match the customer's number after the change. This is an example of

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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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It is usually better to have data granularity that is ________ rather than too coarse.

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Highly summarized data is known as being

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The total amount of data generated by 2020 is estimated to be

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When data sets have missing values or invalid entries it is called ________ data.

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________ refers to the degree of summarization or detail.

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If the granularity of the data is too fine, it is easy to make it ________ by summing and combining.

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________ is a data-mining system that computes correlations of items on past orders to determine items that are frequently purchased together.

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Data ________ refers to the degree of summarization or detail.

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________ is a problem that occurs when data-mining is used to create overly complex models that are not suited to making accurate predictions.

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A ________ is a data collection that is created to address the needs of a particular business function, problem, or opportunity.

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Describe the data resource challenge.

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________ systems create value from intellectual capital by collecting and sharing human knowledge of products, product uses, best practices, and other critical knowledge with employees, managers, customers, suppliers, and others who need it.

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