A Statistics Instructor Wishes to Know the Average Age (In

question 13

Multiple Choice

A Statistics instructor wishes to know the average age (in month) of his 200 students.He decides to choose 25 students from the class and ask them for their age.All 200 names are put in a hat and 25 names are then chosen at random (without replacement) .The average age of the students chosen is observed to be 231 months.The average age of all 200 students is known as what?

• A)The population size
• B)The sample statistic
• C)The population statistic
• D)The population parameter
• E)The sample parameter

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Definitions:

Privileged Domain

Areas of knowledge or skill in which individuals may demonstrate exceptional ability or expertise.

Reasoning

The mental process of generating conclusions, judgments, or inferences from facts or premises.

Naïve Psychology

An everyday, common-sense psychology that people use to understand and explain their own and others' behaviors.

Mental States

The condition of one's mind or psychological being at a particular time, including thoughts, feelings, and consciousness.