Because a Partial Dependency Can Exist Only If a Table's

question 13

True/False

Because a partial dependency can exist only if a table's primary key is composed of several attributes,if a table in 1NF has a single-attribute primary key,then the table is automatically in 2NF.

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Definitions:

Normal Distribution

A bell-shaped distribution that is symmetric about the mean, describing how values of a variable are spread or dispersed.

Mean

The arithmetic average of a set of numbers, calculated by adding them together and dividing by the count of numbers.

Standard Deviation

It quantifies the spread of a dataset, illustrating how much individual data points diverge from the mean value.

Z-score

A measure of how many standard deviations an element is from the mean; used in statistics for standardizing scores.