Which of These Statements Is the Best Description of a Variable

question 129

Multiple Choice

Which of these statements is the best description of a variable?

• A) A variable is something in which the researcher is not interested.
• B) A variable is something that can have only one value.
• C) A variable is something that can have more than one value or score.
• D) A variable is a scientific statement of observation.

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Definitions:

Poisson Distribution

A statistical distribution showing the probability of a given number of events occurring in a fixed interval of time or space.

Discrete Probability Distribution

A mathematical function that represents the probabilities of occurrence of different possible outcomes for a discrete random variable.

Skewed To The Right

Describes a distribution of data where the tail on the right side of the histogram is longer or fatter than the left side, indicating that most of the data are concentrated to the left.

Symmetrical

A shape or distribution that is mirrored equally on both sides of a central axis.