A Researcher Gives IQ Tests to a Large Group of Adults

question 13

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 interquartile range was equal to

• A) 60
• B) 50
• C) 20
• D) 0

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Definitions:

Orthostatic Hypotension

A form of low blood pressure that occurs upon standing up from a sitting or lying position, often causing dizziness or fainting.

Activity Intolerance

A state where an individual has insufficient physiological or psychological energy to endure or complete required or desired daily activities.

Blood Pressure

The force that circulating blood exerts against the walls of the arteries during and between heartbeats.

Isometric Exercises

Physical exercises involving the contraction of muscles without significant movement of the joint, aimed at strength training without changing the length of the muscle.