A Statistics Professor Asked Students in a Class Their Ages

question 94

Multiple Choice

A statistics professor asked students in a class their ages. On the basis of 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)a census
• B)descriptive statistics
• C)an experiment
• D)statistical inference

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Definitions:

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1 where 0 indicates impossibility and 1 indicates certainty.

Flipping

The act of turning something over to its opposite side or changing its position, often used metaphorically to describe a dramatic change in perspective or situation.

Quarter

A three-month period on a financial calendar that acts as a basis for periodic financial reporting and dividend payments.

Nickel

A chemical element with symbol Ni and atomic number 28, known for its strength, corrosion resistance, and usefulness in alloys.