IQ Test Scores Are Normally Distributed with a Mean of 103

question 26

Multiple Choice

IQ test scores are normally distributed with a mean of 103 and a standard deviation of 12 . An individual's IQ score is found to be 113 . Find the $z$ -score corresponding to this value.

• A) \(1.20\)
• B) \(- 1.20\)
• C) \(0.83\)
• D) \(- 0.83\)

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Definitions:

Sophisticated

Reflecting a high degree of complexity, refinement, or development, often in technology, art, tastes, or mannerisms.

Combine Sentences

The process of joining two or more sentences into one, often to improve clarity and flow.

Stand Alone

Refers to something that is complete in itself and does not require support or association with other things to function or be understood.

Clustering

A process or method of grouping a set of objects or points in such a way that objects in the same group are more similar to each other than to those in other groups.