Asked by Lola

Find an equation of the least squares line, then use it to complete the table.

X- 111 169 230 287 335 ?
Y- 2 3 4 5 6 7

Extrapolation

I missed the lesson on this and as far as I can tell I think the least squares line is y= .01764x+ .oo693

If anyone could verify my line and and help me with the rest? Find the "?" in the table. I also don't know what it means by extrapolation? Is that just finding the value in the table?
Answered by MathGuru
Your least squares line looks okay.
Now, to find the ?, use 7 for y in the equation and solve for x. That will be the value you seek.

Here's how the equation would look:
7 = .01764x + .00693

I hope this helps.
Answered by Mohamed
352.4285714286
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