A Researcher Gives IQ Tests to a Large Group of Adults

question 50

Multiple Choice

A researcher gives IQ tests to a large group of adults, and discovers that the
mean, median and mode all equal 100. The highest score in the group was 130
and the lowest was 70. Between IQ's of 75 and 125, 80% of the group was found, and 50% were found between IQ's of 90 and 110. The shape of the graphed distribution was mesokurtic.
-The standard deviation was equal to approximately

• A) 0
• B) 10
• C) 15
• D) cannot tell, since not enough information is provided

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Definitions:

Training Tools

Resources or equipment used in the process of teaching or enhancing specific skills or knowledge, including manuals, software, or practical exercises.

Lewin Change Model

A model describing organizational change through three stages: unfreezing, changing, and refreezing.

Last Stage

Refers to the final phase of a process or development, often indicating the conclusion or resolution of preceding stages.

Intensity

The degree to which an individual shows serious concentration or emotion; another dimension of nonverbal communication.