Recently, a University Surveyed Recent Graduates of the English Department

question 98

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.
Interpret the results of the 95% confidence interval.

• A) The population mean is in the interval.
• B) The population mean is not in the interval.
• C) The likelihood that any confidence interval based on a sample of 400 graduates will contain the population mean is 0.95.
• D) There is a 95% chance that the computed interval does not contain the population mean.

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Definitions:

Thyrotropin

A hormone, also known as thyroid-stimulating hormone (TSH), produced by the pituitary gland that regulates the production of hormones by the thyroid gland.

Hypothyroidism

A condition characterized by an underactive thyroid gland, resulting in a shortage of thyroid hormones which can lead to symptoms such as fatigue, weight gain, and cold intolerance.

Androgens

A group of hormones that play a role in male traits and reproductive activity; present in both men and women.

Mineralocorticoids

A class of steroids produced by the adrenal cortex that regulate electrolyte and water balance, with aldosterone being the most prominent.