Recently, a University Surveyed Recent Graduates of the English Department

question 23

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 $55,000. The population standard deviation is known to be $2,500. What is the 90% confidence interval for the mean salary of all graduates from the English Department?

• A) 5,497, $55,039
• B) 54,794, $55,206
• C) 54,671, $55,329
• D) 54,961, $5,539
• E) 54,800, $55,200

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Definitions:

Data

factual information or measurements collected for analysis, reference, or reasoning, used in making decisions or determining conclusions.

THC

Tetrahydrocannabinol, the psychoactive compound found in cannabis plants that is responsible for most of marijuana's psychological effects.

Hashish

A drug made from the resin of the cannabis plant, known for its psychoactive effects.

Mescaline

A hallucinogenic compound derived from certain cacti, used traditionally in Native American spiritual practices and modern psychopharmacology.