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:

Decision-Making

The cognitive process of selecting a course of action from among multiple alternatives.

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A structure in the kidney that collects urine from the minor calyx before it moves to the renal pelvis and into the ureter.