« previous next »

Author Question: What is data warehouse? ... (Read 74 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
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

  • Sr. Member
  • ****
  • Posts: 331
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Lake position in the landscape and proportion of water received as groundwater (data from Webster et Lake position in the landscape and proportion of water received as groundwater (data from Webster et
Summary of US Census Data Summary of US Census Data
Business Intelligence, Analytics, and Data Science: A Managerial Perspective, 4th Edition Business Intelligence, Analytics, and Data Science: A Managerial Perspective, 4th Edition
Data management questions Data management questions
data data
Histograms - Analysis and Data Histograms - Analysis and Data
Video: The primary factors that affect circulation - MABP, CO and SVR

For a complete list of videos, visit our video library