Question

Scatter Plot help

So far i have the graph and all the x and y factors

f(x) =0.97x + 3.58

Answer 1

Which two points did you use to draw the line of best fit?
Write the equation of the line passing through those two points using the point-slope formula
y - y1 = m(x - x1). Show all of your work. Remember to find the slope of the line first.
Using the equation that you found in question 2, approximately how tall is a person whose arm span is 66 inches?
According to your line of best fit, what is the arm span of a 74-inch-tall person?

Answer 2

I drew a line between points (60.5, 61), and points (70, 71)

Answer 3

did you create the line equation from your chosen points?

Answer 4

or did you use excel to create a best fit linear regrssion line?

Answer 5

i used excel

Answer 6

im kinda lost with this whole project

Answer 7

excel gave you a viable equation, the rest is just for you to input the required value to make the predictions against

Answer 8

Can you help me?

Answer 9

i dont really have the time to delve fully into it. I have to focus on my real job ....

Answer 10

do you know how to develop the equation of a line between 2 points?

Answer 11

No its okay, i can figure it out. thank you though

Answer 12

good luck ;)