Question

Will Fan and Medal
What is the equation of the trend line for the bivariate data shown in the scatter plot?

Scatter plot shows trend line for bivariate data with coordinates (0, 0), (2, 6).

y = ___ x + ____

https://static.k12.com/calms_media/media/1449000_1449500/1449102/1/2455e0fabecda12bc84646e17ffb06450762bff4/TXMTH08-140117-130401.jpg

Answer 1

The required equation is of the form:
y = mx + b
where m is the slope, and b is the intercept on the y axis.
The value of m is found from:
\[\large m=\frac{y-y_{1}}{x-x _{1}}\]