Posted by **Statistics DUMB** on Saturday, April 3, 2010 at 11:25am.

Anyone know how to get me started?

Calculate b0 and b1 and make an equation of regression line

for the set of data given in Table 3

Table 3

x y

1 12

2 15

3 16

5 18

6 21

8 23

- Statistics -
**MathGuru**, Monday, April 5, 2010 at 12:35am
If you need to show the work by hand, you can develop the regression equation in the following format:

predicted y = a + bx

...where a represents the y-intercept and b the slope.

To get to that point, here are some formulas to calculate along the way.

To find a:

a = (Ey/n) - b(Ex/n)

Note: E means to add up or to find the total.

To find b:

b = SSxy/SSxx

To find SSxy:

SSxy = Exy - [(Ex)(Ey)]/n

To find SSxx:

SSxx = Ex^2 - [(Ex)(Ex)]/n

I hope this will help get you started.

- Statistics -
**Statistics Dumb**, Monday, April 5, 2010 at 10:09am
Thank you!!!

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