In a Certain Population with a Mean IQ of 100

question 19

Multiple Choice

In a certain population with a mean IQ of 100, the heritability of IQ was measured at 0.6. A chapter of Mensa in this population has an average IQ of 140. If they are otherwise typical of their population, about how many of their IQ points can be attributed to their genes?

• A) 60
• B) 84
• C) 24
• D) 100
• E) 40

Use Microsoft Excel 2010 for statistical calculations including mean, standard deviation, and mode.

Understand the distribution and representation of data in frequency distributions, histograms, and scatter plots.

Apply Chebyshev's theorem to understand the spread of data.

Distinguish between types of statistical data (e.g., continuous vs. categorical, sample vs. population data).

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Definitions:

Birth Control

Techniques or instruments implemented to avoid conception for the purpose of regulating family size.

Natural Increase

The growth in population size as a result of more births than deaths, not accounting for migration.

Rate of Change

The speed at which a variable changes over a specific period of time.

Teenage Pregnancy Rate

The rate at which females aged 13-19 become pregnant, often used as a social and public health indicator.