A study was recently done in the United States in which car owners were asked to indicate whether their most recent car purchase was a U.S.car,a German car,or a Japanese car.The people in the survey were divided by geographic region in the United States.The following data were recorded. 
Given this situation,the sample size used in this study was nine.
Definitions:
Sensory Responsiveness
The degree to which an individual reacts to or perceives sensory stimuli from the environment.
Sensory Deprivation
A condition in which an individual receives significantly reduced sensory input, often used in psychological experiments or therapy.
Reflects Light
The process by which light bounces off surfaces.
Brighter
Describes an increase in light intensity or luminance, making an object or light source appear more illuminated.
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