SOLUTION: A line of best fit goes through points (3,25) and (9,22). Are the points have positive, negative, or no correlation? Explain your reasoning. Thank you! :)

Algebra ->  Statistics  -> Correlation -> SOLUTION: A line of best fit goes through points (3,25) and (9,22). Are the points have positive, negative, or no correlation? Explain your reasoning. Thank you! :)      Log On


   



Question 972902: A line of best fit goes through points (3,25) and (9,22). Are the points have positive, negative, or no correlation? Explain your reasoning. Thank you! :)
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
A line of best fit goes through points (3,25) and (9,22). Are the points have positive, negative, or no correlation? Explain your reasoning
Solution:
The slope of the line is equal to
m = %2822-25%29%2F%289-3%29 = -1%2F2
Since the slope is negative, the points have a negative correlation.