SOLUTION: For the least-squares line y^ = 2 − 2x, what is the value of the slope? When x changes by 1 unit, by how much does y^ change? Answer: I know y^ decreases but I cannot f

Algebra ->  Probability-and-statistics -> SOLUTION: For the least-squares line y^ = 2 − 2x, what is the value of the slope? When x changes by 1 unit, by how much does y^ change? Answer: I know y^ decreases but I cannot f      Log On


   



Question 364428: For the least-squares line y^ = 2 − 2x, what is the value of the slope?
When x changes by 1 unit, by how much does y^ change?
Answer: I know y^ decreases but I cannot figure out how much.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The line is in slope intercept form, y=mx%2Bb where m is the slope.
Comparing,
m=-2