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

question 199

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 p-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:

Discharge Level

Discharge level typically pertains to the volume or rate at which a fluid, such as water or gas, is expelled from a given source, often used in environmental science to refer to pollution control.

Pollutants

Substances that contaminate the environment, causing harm to ecosystems and human health.

Tradable Emissions Permits

A market-based approach to controlling pollution by providing economic incentives for achieving reductions in the emissions of pollutants.

Equilibrium Price

The price at which the quantity of a product demanded by consumers equals the quantity supplied by producers.