In the given scatterplot, a line of best fit for the data is shown.
- The scatterplot has 10 data points.
- The data points are in a linear pattern trending up from left to right.
- A line of best fit is shown:
- The line of best fit slants up from left to right.
- The line of best fit passes through the following approximate coordinates:
- (1 comma 3.3)
- (3 comma 7.0)
- (5 comma 10.8)
Which of the following is closest to the slope of the line of best fit shown?