Exhibit 20

question 48

Multiple Choice

Exhibit 20.1 A researcher is interested in comparing the usage of bank debit cards by consumers in rural (r) and urban (u) areas.Each year for the past five years,she has surveyed 500 individuals (one-half urban,one-half rural) randomly selected from across the United States.She is specifically interested in any differences that may exist between the two groups with regard to usage.The results of the current study indicate that people in urban areas use bank debit cards 12 times per month on average ( ) ,while those in rural areas use bank cards 10 times per month on average ( ) .
Refer to Exhibit 20.1.Assuming that the standard error of estimate for the difference in means is 1.5,calculate the value of the test statistic that would be used in the comparison of the two means.

• A)0.75
• B)1.33
• C)1.88
• D)1.96
• E)None of the above.

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Definitions:

Telepathy

The supposed communication of thoughts or ideas through means other than the known senses, considered pseudoscience by mainstream science.

Extrasensory

Pertaining to perception or communication outside of the normal sensory processes, often referred to as ESP or sixth sense.

Perception

The process by which individuals interpret and organize sensory information to produce a meaningful experience of the world.

Emotions

Complex psychological states that involve a subjective experience, a physiological response, and a behavioral or expressive response.