Question

9. Use the Desmos graphing calculator to find slope and y-intercept for the least-squares

regression line for the dataset in the table:
xy
31
45
8 11
10 21
m= 2.55, b= 6.435
m=1.477, b=1.477
m= 1.698, b-0
m=2.55, 6-6.435

Answer 1

D) m=2.55, b=-6.435

Explanation:

See attached file ("a" represents the slope and "b" represents the y-intercept).