In a Database,data About a Person,place,item or Event Is Called

question 13

Multiple Choice

In a database,data about a person,place,item or event is called a(n) ________.

• A) row
• B) entity
• C) field
• D) attribute

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Definitions:

Grand Mean

The mean of means, calculated by taking the average of several group means, used in statistical analysis to summarize overall data.

Significance Level

See alpha level.

Type I Error

A statistical error occurring when a true null hypothesis is incorrectly rejected.

Type II Error

A statistical mistake occurring when a test fails to reject a false null hypothesis, incorrectly indicating no effect or difference when one actually exists.