Scores of Adults Aged 60 to 64 on a Common

question 17

Multiple Choice

Scores of adults aged 60 to 64 on a common IQ test are approximately Normally distributed with mean 90 and standard deviation 15.
The third quartile of the distribution of IQ scores of adults aged 60 to 64 is between

• A) 90 and 105.
• B) 105 and 120.
• C) 90 and 75.
• D) 60 and 75.

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Definitions:

Too Busy

A state or condition in which an individual has a vast number of tasks or engagements that limit their availability.

Interact

The action of communicating or directly engaging with others or the environment, leading to a mutual or reciprocal influence.

Reasoning Ability

The capacity to think logically, deduce conclusions from the information presented, and solve problems effectively.

Standardized Tests

Tests designed to be administered and scored in a consistent manner, intended to measure a participant's knowledge or abilities in a specific area.