14)
x -5 -3 4 1 -1 -2 0 2 3 -4
y -10 -8 9 1 -2 -6 -1 3 6 -8

What is the equation of the line of best fit for this data?
A)
y = 2.097x - 0.552
B)
y = 2.097x + 0.552
Eliminate
C)
y = -0.552x + 2.097
D)
y = 0.522x - 2.097

Question

14)  	
x	-5	-3	4	1	-1	-2	0	2	3	-4
y	-10	-8	9	1	-2	-6	-1	3	6	-8

What is the equation of the line of best fit for this data?
A)
y = 2.097x - 0.552	
B)
y = 2.097x + 0.552	
Eliminate
C)
y = -0.552x + 2.097	
D)
y = 0.522x - 2.097

anonymous · Answer

I am pretty sure the answer is A. If you take two points such as -5,-10 and 4,9 which are at the ends, you can get the slope of about 2.1, and the midpoint is about 1 unit below the x axis which should fit option A.