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:

Human Capital

The combined abilities, expertise, and non-material assets possessed by people that can generate economic benefits for themselves, their companies, or society.

Ethnic Minorities

Groups within a community which differ from the majority population in race, national or cultural origin, and often have distinct social and economic practices.

Discrimination

Unfair treatment of individuals based on characteristics such as race, gender, age, or sexual orientation.

Average Wages

The mean wage calculated by dividing the total wage bill by the number of wage earners; it represents the midpoint of wage distribution in a given area or sector.