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

question 201

Short Answer

SCENARIO 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 Scenario 13-11, what arethe lower and upper limits of the 95% confidence interval
estimate for the mean change in revenue as a result of a one thousand increase in the number of
downloads?

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