Constant Variables

question 16

Multiple Choice

Constant variables:

• A) Can be assigned values in executable statements.
• B) Do not have to be initialized when they are declared.
• C) Can be used to specify array sizes, thereby making programs more scalable.
• D) Can be used to specify array sizes, but this makes programs harder to understand.

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Definitions:

Water Consumption

The amount of water used by an individual, community, or area.

Violent Crime Rate

A statistical measure of the number of violent crimes reported per unit of population or given time period.

Matched Pairs

A study design where subjects are paired based on certain criteria, making them comparable, and then treated differently to examine effects.

Independent Samples

Two or more groups of samples that are collected from independent populations, and where the selection of a sample from one population does not influence the selection from another.