Answer:
Hence, the equation that represents the line of best fit is:

Hence, option: B is correct.
Step-by-step explanation:
We are given a linear correlation association between x and y as the line of best fit is a straight line.
Also it depicts a positive relationship between x and y since the points are increasing with increasing value of x.
Now the equation of line that best represents the line of best-fit of the scatter plot i.e. which gives a best estimate of the data in the scatter plot is:

Hence, option: B is correct.