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Pretty sure r2 and adjusted r2 are measures of model performance, but what value is good

im not sure... look on uts online at the forum there the tutor talks about making a sub-sample or something... so i went in and singled out all the samples that spend over the amount in the question, and then calculated a new average but still got nowhere near the listed answer... its so...

i have no idea...

i have legit been sitting here trying to work out the answer to g... did they say anything in the powerpoints about regression performance?? i have been asleep in like all the lecs

Hi guys, I have been stuck on a question for a number of hours.... the question comes with the following data set on a shops advertising spending, this is the data set: Sales DirectNewspaperTelevision 15.98 1.05 1.35 1.55 21.59 1.29 2.25 1.97 25.47 0.96 1.79 1.64 16.02 1.51 1.73...