TABLE 12-11 A Computer Software Developer Would Like to Use the Number

question 199

Short Answer

TABLE 12-11
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 12-11, what is the standard deviation around the regression line?

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Definitions:

NLRA

The National Labor Relations Act, a foundational U.S. law enacted in 1935 to protect the rights of employees and employers, to encourage collective bargaining, and to curtail certain private sector labor and management practices.

Competitive Markets

Markets characterized by numerous buyers and sellers such that no single participant has the market power to influence the prices of products or services.

Supply of Labor

The total number of potential workers available to perform work in an economy, determined by factors like demographics, labor market conditions, and immigration policies.

Unions

Organizations that represent the collective interests of workers, bargaining with employers on their behalf for better wages, working conditions, and benefits.