With IQ Scores with a Mean of 100 and a Standard

question 106

Multiple Choice

With IQ scores with a mean of 100 and a standard deviation of 15, what is the range of scores between which 95% of people should score?

• A) 100 and 130
• B) 85 and 115
• C) 70 and 100
• D) 70 and 130

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Definitions:

Birth Rates

The number of live births per thousand of the population per year.

Emigration Rate

The measure of how many individuals per thousand leave a country or region to reside elsewhere within a specified time frame.

Negative Growth

A decrease in the size or number of something, often used in the context of economies or populations shrinking.

Age Structure

The distribution of individuals among different ages in a population, usually depicted in a demographic pyramid.