Assume a Data Set Is Normally Distributed with Mean 14

question 26

Multiple Choice

Assume a data set is normally distributed with mean 14 and standard deviation 1.5. If the data set contains 30 data values, approximately how many of the data values will fall within the range 12.5 to 15.5?

• A) 13
• B) 20
• C) 29
• D) 10

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Definitions:

Brain Damage

Injury to the brain that impairs its functions, which can result from accidents, diseases, lack of oxygen, or neurological disorders.

Convergent Thinking

Thinking that produces one correct answer; characteristic of the kind of thinking required on conventional intelligence tests.

General Intelligence

The theory that a single, general intelligence factor underlies all cognitive abilities, allowing individuals to perform a wide range of cognitive tasks.

Correct Answer

An accurate response or solution to a particular question or problem.