Answer:
Option C is correct
7/3
Explanation:
Formula for slope is given by':
....[1]
As per the statement:
The graph shows the best fit line scatter-plot.
Consider two points i.e
(3,12) and (6, 19)
Substitute these points in [1] we have;

⇒

Therefore, the slope of the line of best-fit in the scatter plot is, 7/3