Exam 17: Getting Started With Web Servers, php, and the Netbeans IDE

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Data warehouses are populated with data prepared by ________ programs.

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The metadata maintained by a reporting system database describes:

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Market basket analysis is a data mining technique for determining which sets of products customers tend to purchase at the same time.

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Market basket analysis,as described in the text,uses the statistical technique of ________.

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Report authoring includes responsibility for delivery of the report.

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Data Mining uses sophisticated statistical and mathematical techniques to perform what-if analyses,to make predictions,and to facilitate decision making.

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Here is Market Basket data for 1,000 transactions at a Drug Store. Use the table below to answer the following questions. 1,000 Transactions Drug A 500 Drug B 300 Drug C 200 Drug A 75 100 125 Drug B 100 25 75 Drug C 125 75 0 No Additional Drug 200 100 0 -Refer to the table above.What is the definition of confidence for Drug B with reference to Drug A?

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Report systems include three functions: authoring,management and delivery.

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Market basket analysis as described in the text uses the technique of conditional probabilities.

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A BI reporting system:

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We have obtained access to the company's operational data.In one record,we find that a customer's age has been recorded as "337." This is an example of:

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Problematic data include so-called "dirty data."

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A report generated by a reporting system is delivered to the appropriate users via a printed report.This system uses which of the following report modes?

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BI Reporting systems are intended to create meaningful information from disparate data sources and to deliver that information to the proper users on a timely basis.

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In unsupervised data mining,a model or hypothesis is created ahead of time.

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Data mining is the application of mathematical and statistical techniques to find patterns and relationships that can be used to classify and predict.

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Here is Market Basket data for 1,000 transactions at a Drug Store. Use the table below to answer the following questions. 1,000 Transactions Drug A 500 Drug B 300 Drug C 200 Drug A 75 100 125 Drug B 100 25 75 Drug C 125 75 0 No Additional Drug 200 100 0 -Refer to the table above.What is the confidence of Drug B being purchased given that Drug A has been purchased?

(Multiple Choice)
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Here is Market Basket data for 1,000 transactions at a Drug Store. Use the table below to answer the following questions. 1,000 Transactions Drug A 500 Drug B 300 Drug C 200 Drug A 75 100 125 Drug B 100 25 75 Drug C 125 75 0 No Additional Drug 200 100 0 -Refer to the table above.What is the support for Drug A and Drug B?

(Multiple Choice)
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