Question

Use decimals and the data for 1988 and 1996 to find the slope intercept form of a trend line

Answer 1

m = (5,000 - 2,500)/(11 - 3)

= 2,500/8

= 625/2

= 312.5

2,500 = (625/2)(3) + b

(15,000 - 625)/6 = b

b = 14,375/6

y = (625/2)x + (14,375/6)

y = 312.5x + 2,395.8333