Recently, a University Surveyed Recent Graduates of the English Department

question 77

Multiple Choice

Recently, a university surveyed recent graduates of the English Department for their starting salaries. Four hundred graduates returned the survey. The average salary was $25,000. The population standard deviation is known to be $2,500.
What is the 95% confidence interval for the mean salary of all graduates from the English
Department?

• A) 22,500, $27,500
• B) 24,755, $25,245
• C) 24,988, $25,012
• D) 24,600, $25,600

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Definitions:

Continental Drift

A theory that explains the gradual movement of continents across the earth's surface through geological time.

Glacial Deposits

Materials left behind by glaciers as they advance and retreat, including rocks, sediments, and debris.

Fossils

The preserved remains or impressions of organisms from the past, typically found in sedimentary rock.

Scratch Marks

Linear erosional features on rock surfaces, often caused by the movement of glaciers or other sediment-laden flows.