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  1. M

    multi-regression help

    Hello, I'm working through a dummy multi-regression example and I think I'm good with the calculations part. I'm confused on the Revenue (Y) Prediction part. Can I change the both variables at the same time to make the Revenue prediction? Or do I need to hold one independent variable as...
  2. M

    Regression confidence intervals

    Hello, Can someone help me add 95% confidence intervals to the Predicted Y below. I understand calculation of Predicted Y but I'm not sure how to calculate the confidence bands around each value of Predicted Y. Any help would be greatly appreciated. Thanks, Tim