Which of the Following Statements Is True About Data Marts

question 39

Multiple Choice

Which of the following statements is True about data marts?

• A) A data mart is like a distributor in a supply chain, while a data warehouse can be compared to a retail store.
• B) Data mart users possess the data management expertise that data warehouse employees have.
• C) Data marts address the needs of a particular department or functional area of a business.
• D) Data marts are larger than data warehouses.
• E) Data marts contain only metadata for data warehouses.

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Definitions:

Trend Analysis

The practice of collecting information and attempting to spot a pattern, often used in financial markets, research, and project planning.

Centered Moving Average

Centered Moving Average is a calculation used to smooth out data series by averaging consecutive subsets of data points centered around each point, often used in time series analysis.

Least Squares

A mathematical method used in regression analysis to find the best-fitting line through a set of data points by minimizing the sum of the squares of the vertical distances of the points from the line.

Time-Series Data

Data points collected or recorded at time intervals, allowing analysis of patterns, trends, and forecasting.