The Time Required for a Citizen to Complete the 2010

question 12

Multiple Choice

The time required for a citizen to complete the 2010 U.S. Census "long" form is normally distributed with a mean of 40 minutes and a standard deviation of 10 minutes. What is the third quartile (in minutes) for the time required to complete the form?

• A)44.75
• B)46.75
• C)47.50
• D)52.50 Using Excel =NORM.INV(.75,40,10) = 46.75, or Q₃ = 40 + 0.675(10) = 46.75 using AppendixC.

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Definitions:

Rorschach Inkblots

An exam where participants' interpretations of inkblot images are documented and analyzed based on psychological theories.

Thematic Apperception Test

A projective psychological test in which subjects' perceptions of ambiguous images are used to uncover their underlying motives, feelings, and attitudes.

Rorschach Inkblot Test

A psychological test in which perceptions of inkblots are used to analyze a person's psychological state and personality characteristics.

Inkblots

Images created by dropping ink on paper and then folding it to create symmetrical patterns, commonly used in psychological Rorschach tests to assess perceptual reactions and emotional functioning.