title: Is there a formula that returns the equation for the Slope of the trendline?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/13615847/is-there-a-function-i-can-use-to-get-the-equation-for-the-trendline">Is there a function i can use to get the equation for the trendline?</a>  </p>
  </blockquote>
  
  
  
  <p>i know you can find it if you do a plot graph and enable trendline equation, i was wondering if there's a way i can use a formula to derive it.  i have thousands of data sets and graphing each one of those is just not an option.  </p>