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

question 99

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 standard deviation around the regression line?

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Definitions:

Endocannabinoids

Natural chemicals in the body that bind to cannabinoid receptors, involved in a variety of physiological processes.

THC

Tetrahydrocannabinol, the principal psychoactive constituent of cannabis that affects the brain by binding to cannabinoid receptors.

Anandamide

An endocannabinoid that acts as a neurotransmitter, playing a role in pain, mood, and appetite regulation within the body.

Habituation

Learned behavior in which the response to a stimulus weakens with repeated presentations.