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How do I find the minumum/maximum acceptable slope?

  1. Mar 19, 2012 #1
    Given a scatter plot graph, how would you find the minimum/maximum acceptable slope?

    I know that finding a gradient you would need to choose two points A(x1,y1) and B(x2,y2) and use the formula m = (y2-y1) / (x2-x1).

    My question is, which two points to pick out to determine the minimum/maximum acceptable slope of a graph?

    Many thanks.
     
  2. jcsd
  3. Mar 19, 2012 #2

    NascentOxygen

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    Staff: Mentor

    Acceptable to whom? I think you'd need a criterion that could be applied, directing how much latitude you can apply to your line/s of "good fit". How did this question arise, may I ask?
     
  4. Mar 19, 2012 #3
    Hi there :)

    The question is attached to this response.
     

    Attached Files:

  5. Mar 19, 2012 #4

    NascentOxygen

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    I can't read .doc media. Can you take a screen-shot and post as a gif or jpeg?
     
  6. Mar 19, 2012 #5
    Here you go.
     

    Attached Files:

  7. Mar 19, 2012 #6

    NascentOxygen

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    Staff: Mentor

    Looks like you'll need to turn back to Section 2.2 to find out how they determined their slope uncertainty.
     
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