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?

---

Definitions:

Adverse Environmental

Conditions or factors in the environment that can cause harm or negative effects on living organisms or ecosystems.

Sporophyte

The diploid, spore-producing phase in the life cycle of a plant that alternates with the haploid gametophyte phase.

Ovule

A plant structure in seed plants that develops into a seed after fertilization, containing a female gametophyte and the egg cell.

Angiosperms

Flowering plants that produce seeds enclosed within a fruit, representing the most diverse group of land plants.