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  1. U

    Statistics Help!!!! Urgent!

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

    Statistics Help!!!! Urgent!

    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...
  3. U

    Statistics Help!!!! Urgent!

    i have no idea...
  4. U

    Statistics Help!!!! Urgent!

    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
  5. U

    Statistics Help!!!! Urgent!

    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...
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