A Statistics Instructor Wishes to Know the Average Age (In

question 35

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 group of 200 students is known as what?

• A)The sample
• B)A census
• C)The population
• D)The population size
• E)The sample size

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Definitions:

Psychoanalysis

A therapeutic technique and theory of psychology developed by Sigmund Freud, emphasizing unconscious motivations and conflicts as determinants of human behavior.

Psychiatrist

A medical doctor specializing in the diagnosis, treatment, and prevention of mental, emotional, and behavioral disorders.

Hallucinations

Perceptions in a conscious and awake state in the absence of external stimuli which have qualities of real perception, often related to visual, auditory, or other sensory experiences.

Delusions

Strongly held false beliefs not influenced by rational argument or evidence, often symptomatic of psychiatric disorders.