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

question 172

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, predict the revenue when the number of downloads is 30 thousands.

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Definitions:

Portfolio Test

A method used in advertising and marketing to evaluate the effectiveness of different advertisements by presenting them together with other ads to consumers.

Test Ad

An advertisement designed to gauge the responses of targeted consumers before a full-fledged marketing campaign.

Evaluative Scales

Tools used to assess attitudes or preferences by measuring responses along a continuum, such as from strongly agree to strongly disagree.

Limited-Service Agency

A type of agency that offers a restricted range of services, typically specializing in one aspect of advertising or marketing.