You Are Looking at a Normal Distribution of IQ Scores

question 130

Multiple Choice

You are looking at a normal distribution of IQ scores. A friend thinks that the graph is really cool and wants to know between what two scores (above and below the mean) would about 50% of the people fall. You immediately say

• A) 90 and 110
• B) 85 and 115
• C) 80 and 120
• D) 80 and 100
• E) you cannot tell from this graph

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Definitions:

Pia Mater

The thin deepest layer of the meninges, which are the coverings around the brain and spinal cord.

Vertebral Foramen

The central opening in each vertebra of the spine through which the spinal cord passes.

Postcentral Gyrus

A ridge on the cerebral cortex located in the parietal lobe, primarily involved in processing somatosensory information like touch and pain.

Temporal Lobe

A region of the cerebral cortex involved in processing auditory information and is also associated with language and memory.