Many Human Traits,such as Our Performance on Intelligence Tests or Our

question 38

Multiple Choice

Many human traits,such as our performance on intelligence tests or our susceptibility to heart disease,are ________.

• A)determined only by our genes
• B)influenced by both genes and the environment
• C)determined by genes in some people and by the environment in other people
• D)not affected by our genes

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Definitions:

Quadratic Trend Analysis

A statistical method used to determine if a quadratic relationship exists between a dependent variable and an independent variable.

Exponential Smoothing

A time series forecasting method for univariate data that applies weighted averaging of past observations, where the weights decrease exponentially over time.

Mean Absolute Deviation

The average of the absolute differences between each data value in a set and the mean of the data set, measuring dispersion.

Moving Averages

A mathematical method applied to even out brief variations and emphasize longer-term tendencies within data.