Salaries of Professors Narrative

question 172

Essay

Salaries of Professors Narrative
Suppose that college faculty with the rank of professor at four-year institutions earn an average of $72,500 per year with a standard deviation of $4,500. In an attempt to verify this salary level, a random sample of 60 professors was selected from a personnel database for all four-year institutions in Canada.
-Refer to Salaries of Professors Narrative. Within what limits would you expect the sample average to be, with probability 0.95?

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Definitions:

L-DOPA

A precursor to dopamine used as a medication to treat Parkinson's disease and dopamine-responsive dystonias, by increasing dopamine levels in the brain.

Parkinson's Disease

A progressive neurological disorder that affects movement, causing symptoms such as tremors, stiffness, and balance issues.

Phenylalanine

An essential amino acid required for the body's production of proteins and certain brain chemicals. It is obtained through diet.

GABA

Gamma-Aminobutyric Acid, an inhibitory neurotransmitter in the brain that helps control neural activity.