A Primary Key That Consists of More Than a Single

question 17

Multiple Choice

A primary key that consists of more than a single field is called a ________ key.

• A)merged
• B)compound
• C)composite
• D)combined

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Definitions:

Mean

Calculated by dividing the total of the numbers by their quantity, the average represents the mean value of a set.

Median

The middle value in an ordered list of numbers, effectively dividing the dataset into two halves.

Central Location

The midpoint or center of a dataset where it tends to cluster around.

Sample Mean

The average of a set of numerical values drawn from a larger population, often used to estimate the population mean.