At a Certain Excavation Site, Archaeological Studies Have Used the Method

question 38

Multiple Choice

At a certain excavation site, archaeological studies have used the method of tree-ring dating in an effort to determine when people lived in there. Wood from several excavations gave a mean of (year) 899 with a standard deviation of 38 years. The distribution of dates was more or less mound-shaped and symmetrical about the mean. Use the empirical rule to estimate a range of years centered about the mean in which about 68.3% of the data (tree-ring dates) will be found.

• A)from 975 to 1013
• B)from 861 to 1013
• C)from 899 to 1013
• D)from 785 to 861
• E)from 861 to 937

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Definitions:

Future Career

The progression and plans related to one's professional life in the future, considering aspirations and goals.

Realistic

Pertaining to the accurate representation of life and the world; practical and feasible.

Decline Stage

A phase in the lifecycle of a product, business, or industry where growth slows, enters downturn, or diminishes.

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A decrease in the speed or rate of an activity or process; slowing down.