A Study Is Under Way to Determine the Average Height

question 9

Multiple Choice

A study is under way to determine the average height of all 63,000 adult walnut trees in a certain national forest.The heights of 950 randomly selected adult walnut trees are measured and analyzed.The sample in this study is:

• A)the average height of the 950 randomly selected adult walnut trees.
• B)the average height of all the adult walnut trees in this forest.
• C)all the adult walnut trees in this forest.
• D)the 950 adult walnut trees selected at random from this forest.

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Definitions:

Genetic Factors

Elements within an organism's DNA that contribute to its physical traits, behaviors, and susceptibility to certain diseases or conditions.

Early Experiences

Events or stimuli that occur during the initial stages of an individual's life, which have significant impacts on development, behavior, and learning.

Reactivity

The propensity of a substance to undergo a chemical reaction with itself or another material.

Self-regulation

The process by which individuals control their behavior in accordance with internal goals or standards.