The Mean of All Z-Scores in a Distribution Is Equal

question 37

Multiple Choice

The mean of all z-scores in a distribution is equal to

• A) zero.
• B) number in the distribution.
• C) the sum of all squared scores.
• D) the sum of all squared z-scores divided by N.

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Definitions:

Multiple Intelligences

A theory proposed by Howard Gardner, suggesting that humans have several different ways of processing information and these ways are relatively independent of one another.

Visual Spatial Reasoning

The ability to mentally manipulate 2-dimensional and 3-dimensional figures and to understand spatial relationships in order to solve problems.

Wechsler Intelligence Scale

A standardized test designed to measure human intelligence in various dimensions.

Spatial Cues

Environmental or sensory indicators that provide information about location, distance, and orientation in space.