Which equation best represents the regression line for the data given in the able above.

a. y=-3x+22

b. y=3x-22

c. y=3x+22

d. y =3x-22

A regression line is the line of best fit, which describes the relation between two points on the data set.

This line may pass through single point, all points or none of the points of the data set.

Plotting the points , (1,15), (2,19), (3,16), (4,10), (5,5), (6,1),(7,4) on two dimensional coordinate plane

As, you will look at the points, and try to find the line of best fit, you can predict that , it's x intercept as well as y intercept will be positive.

So, out of four options given , the only option which has positive x as well as y intercept is the equation

y= - 3 x + 22

So, Option A: y= -3 x +22 , is the line of best fit , having x and y values given.It passes through a single point (4,10).

black lol

step-by-step explanation:

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