TABLE 13-11 A Computer Software Developer Would Like to Use the Number

question 146

Short Answer

TABLE 13-11
A computer software developer would like to use the number of downloads (in thousands) for the trial version of his new shareware to predict the amount of revenue (in thousands of dollars) he can make on the full version of the new shareware. Following is the output from a simple linear regression along with the residual plot and normal probability plot obtained from a data set of 30 different sharewares that he has developed:



-Referring to Table 13-11, what is the critical value for testing whether there is a linear relationship between revenue and the number of downloads at a 5% level of significance?

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Definitions:

Accountants

Professionals who perform financial functions related to the collection, accuracy, recording, analysis, and presentation of a business, organization, or individual's financial operations.

Tax Code

The system of laws and regulations that govern the levying of taxes on individuals, businesses, and other entities, which outlines the rates, exemptions, and enforcement policies.

Real Incomes

Income of individuals or nations adjusted for inflation, reflecting the purchasing power of the income.

Nominal Interest Payments

The amounts paid by borrowers to lenders as the cost of borrowing money, not adjusted for inflation.