Question

Data were gathered and displayed on a scatter plot.

A scatter plot contains the ordered pairs 0,11 and 1,7 and 2,8 and 3,5 and 3,10 and 4,7 and 6,4 and 6,8 and 8,2 and 8,5 and 8,7 and 10,1 and 11,4 and 12,0 and 13,1.

Which of the following is the most appropriate equation to model the data?

ŷ = –9.63x + 0.678
ŷ = 0.678(9.63)x
ŷ = –0.678x + 9.63
ŷ = 9.63(0.678)x

Answer 1

@jayfafr

Answer 2

Option 3, ŷ = –0.678x + 9.63, has a positive intercept which seems reasonable for the data, as the y-values don't start from zero. Therefore, option 3, ŷ = –0.678x + 9.63, is the most appropriate equation to model the data.

Answer 3

Jay is this right?