Question: Is testingBETA=0 (slop) equivalent to testing(correlation=0)? Why? What's the basic difference between regression testing, and a t-test? Are they the same? What's the case they

  1. Is testingBETA=0 (slop) equivalent to testing(correlation=0)? Why?
  2. What's the basic difference between regression testing, and a t-test? Are they the same? What's the case they are the same?
  3. When do you use regression instead of an independent sample t-test? Give an example for each case.

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