Mathematics
Grade10
Easy

Question

Your linear regression function read as follows:
r2 = 0.9909817911, r = 0.9954806834, a = 13.55882353, b = 17.58823529
Which is the correlation coefficient of the line?

  1. r2 = 0.9909817911  
  2. r = 0.9954806834    
  3. a = 13.55882353    
  4. b = 17.58823529

The correct answer is: r = 0.9954806834


    Your linear regression function read as follows:
    r2 = 0.9909817911, r = 0.9954806834, a = 13.55882353, b = 17.58823529
    The correlation coeff. of the line is
    r = 0.9954806834

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