A Statistics Professor Asked Students in a Class Their Ages

question 13

Multiple Choice

A statistics professor asked students in a class their ages. Based on this information, the professor states that the average age of all the students in the university is 24 years. This is an example of

• A) an observational study.
• B) descriptive statistics.
• C) an experiment.
• D) statistical inference.

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Definitions:

Equitable Estoppel

The principle that when a gratuitous promise to do something in the future causes a person who relies on that promise to incur an expense, the promisor will not be allowed to enforce other contractual rights that are inconsistent with that promise; the promise can only be used as a defense by the promisee; also known as promissory estoppel.

Natural Person

An individual human being, as opposed to a legal entity like a corporation or government.

Legal Bound

Being officially restrained by law or legally obliged to perform or refrain from performing certain actions.

Presumptions

Assumed facts or principles that are taken as true until disproven, often used in legal contexts.