Which of the Following Is an Example of a Foreign-Key

question 42

Multiple Choice

Which of the following is an example of a foreign-key constraint?

• A) Patient's zip code
• B) Date of discharge
• C) Physician ID number
• D) All of the above

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Definitions:

Dependent-Samples T-Test

A statistical test used to compare the means of two related groups, indicating if any difference between them is statistically significant.

Confidence Interval

The best estimate of the range of a population value given the sample value.

Wider Range

Describes a greater span or extent between the lowest and highest values in a data set, indicating more variability.

Critical Value

A threshold in hypothesis testing that defines the boundary for rejecting the null hypothesis; values beyond it are considered statistically significant.