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:

Children

Young human beings who are in the early stages of their lives, typically considered to be from birth to puberty.

Mistaken Identifications

Errors in recognizing faces or objects, often occurring due to factors like poor visibility, stress, or brief exposure times.

Suspect's Ethnicity

The ethnic background or heritage of a person who is being questioned or investigated in connection with a crime.

Eyewitness

A person who has directly seen an event, such as a crime or accident, and can provide a first-hand account of it.