Fitting the model for linear regression

Discussion in 'Homework Help' started by asilvester635, Mar 14, 2018.

  1. asilvester635

    Thread Starter Member

    Jan 26, 2017
    73
    3
    I've done part a, but I'm kind of confused about part b. How do I go about solving it? Is there another special formula for it?

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    Last edited: Mar 14, 2018
  2. WBahn

    Moderator

    Mar 31, 2012
    23,099
    6,949
    In part b you are simply forcing the y-intercept to be zero. This is used in situation where you know that this must be the case.
     
  3. The Electrician

    AAC Fanatic!

    Oct 9, 2007
    2,610
    466
    Where did you get the formulas you used for part a)? Doesn't that source give the formula for the zero intercept case?

    A google search for "Simple linear regression with zero intercept" finds:
     
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