Exhibit 20

question 63

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.Which of the following is the null hypothesis that the researcher should use in comparing the usage rates?

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Definitions:

Revenue

The total income generated by the sale of goods or services related to a company's primary operations before any expenses are deducted.

Realized

Pertains to gains or losses that have been incurred as a result of actual transactions as opposed to those that are theoretical or projected.

Earned

Income or revenue that has been generated or received for goods sold or services provided.

Retained Earnings

The portion of net income that is not distributed to shareholders but is instead reinvested in the business or kept as a reserve for certain purposes.