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Author Question: What is data warehouse? ... (Read 73 times)

joblessjake

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on: Aug 1, 2018
What is data warehouse?

Question 2

If a sample containing 20 observations is taken from a normally distributed population and a 90 confidence estimate for is needed, the appropriate t-score is:
 a. 2.12.
  b. 1.746.
  c. 2.131.
  d. 1.729.
  e. 2.602.


xiazhe

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Reply #1 on: Aug 1, 2018
Answer to Question 1

Data warehouse is a large collection of data from inside and outside the company, put together for the express purpose of using sophisticated analytical techniques to uncover patterns and discover interrelationships within the data.

Answer to Question 2

D


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