Which of the Following Is Not a Rule That Must

question 35

Multiple Choice

Which of the following is not a rule that must be followed when naming identifiers?

• A) The first character must be one of the letters a-z, A-Z, and underscore or a dollar sign.
• B) Identifiers can contain spaces.
• C) Uppercase and lowercase characters are distinct.
• D) After the first character, you may use the letters a-z, A-Z, the underscore, a dollar sign, or digits 0-9.

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Definitions:

Variable

An element, feature, or factor that is liable to vary or change.

Continuous Variable

A type of variable that can take an infinite number of values within a given range.

Categorical Variable

A variable that can take on a limited, and usually fixed, number of possible values, grouping individuals into categories.

Random Group Assignment

A method in experimental design to ensure every participant has an equal chance of being assigned to any group, thus minimizing preexisting differences between those assigned to different groups.