A Data Warehouse Can Be Thought of as

question 71

Multiple Choice

A data warehouse can be thought of as

• A)A location to store shadow data
• B)A staging area for data analysis
• C)A cluster of operational databases
• D)Unused data archived for historical purposes

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Definitions:

Statistically Significant

This term implies that the likelihood of the results happening by random chance is very low, underlining the importance of the findings.

Mean

In statistics, the arithmetic average of a set of numbers, calculated by adding all the values together and then dividing by the number of values.

P Value

A statistical measure that indicates the probability of the observed data occurring under the null hypothesis, used in hypothesis testing to determine significance.

95% Confidence Intervals

Statistical ranges, with a 95% surety, where the true value of a parameter, like a mean, is expected to lie.