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Mar 21st, 2018
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  1. import numpy as np
  2.  
  3. xx=[6,8,12,14,18]
  4. yy=[350,775,1150,1395,1675]
  5.  
  6. x=np.array(xx)
  7. y=np.array(yy)
  8.  
  9. x_bar=x.mean()
  10. y_bar=y.mean()
  11.  
  12. xxyy=x*y
  13.  
  14. xy=np.array(xxyy)
  15. xy_bar=xy.mean()
  16.  
  17. x_bar_2=x_bar**2
  18.  
  19. x_2=(x**2)
  20. x_2_bar=x_2.mean()
  21.  
  22.  
  23. m=((x_bar * y_bar ) - xy_bar ) / (x_bar_2 - x_2_bar)
  24.  
  25.  
  26. c=y_bar -(m * x_bar )
  27.  
  28.  
  29. print(m)
  30. print (c)
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