Question

Help plz!! Which two ordered pairs can be joined to draw most accurately the line of best fit on this scatter plot?

A- (0, 0.5) and (10, 10)

B- (0, 4.5) and (7, 10)

C- (5,0) and (10, 5)

D- (5,0) and (9, 4)

Answer 1

I think A? I think this because 0.5 isn't on that chart, and 10,10 is. 10 10 is the only one that matches up

Answer 2

The correct option is A.

Explanation:

From the given scatter plot in is clear that the coordinate pairs of points are (1,1.5), (2,2), (3,3), (4,4), (5,6), (6,6.5), (7,7), (8,8), (9,9), (10,10).

If a line best represents the data, then that line is called line of best fit. The line may or may not passes through all the points.

The main objective of this method is to minimizes the squared distance of each point from the line of best fit.

Draw a line of best fit as shown below.

From the graph it is clear that the line of best fit passes thorugh the points (0,0.5) and (10,10).

Therefore the correct option is A.