One Important Inheritance Characteristic Is That All Entity Subtypes Inherit

question 48

Multiple Choice

One important inheritance characteristic is that all entity subtypes inherit their _____ key attribute from their supertype.

• A) primary
• B) natural
• C) foreign
• D) surrogate

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Definitions:

Sampling Distribution

Chance distribution specifics for a statistic based on a random sampling method.

Sample Mean

The average of the observations in a sample, used as an estimate of the population mean.

Sampling Distribution

The distribution pattern of a statistic that emerges from analyzing a large collection of samples taken from a specified group.

Sample Mean

The average value of a sample set of numbers, calculated by adding them together and dividing by the number of samples.