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Author Question: Which of the following statements is true about e-commerce? A) It results in an increase in ... (Read 44 times)

deesands

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on: Jul 7, 2018
Which of the following statements is true about e-commerce?
 
  A) It results in an increase in inventory-carrying costs.
  B) It improves the flow of price data.
  C) It decreases market efficiency.
  D) It reduces sharing of consumer data.

Question 2

Describe the risks associated with missing data and data silos.
 
  What will be an ideal response?


Bison

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Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

Most operational and purchased data have problems that inhibit their usefulness. Purchased data often contain missing elements. Most data vendors state the percentage of missing values for each attribute in the data they sell. For BI applications, though, a few missing or erroneous data points can be worse than no data at all because they bias the analysis.
Another problem is nonintegrated data. A particular BI analysis might require data from an ERP system, an e-commerce system, and a social networking application. It is the function of personnel in the data warehouse to integrate such data, somehow. Nonintegrated data may also be the result of information silos within the organization.


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