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Linear Regression and Correlations

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If f(x)=2x+3, find the following
1) f(4)
2) f(-2)

Given the following tales
x y
1 4
4 8
7 20
12 24
14 28
16 30

What is the domain?
What is the range?

Do a linear regression and tell the values of a, b, r2, and r and tell if the correlation is positive or negative.

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Solution Summary

This solution provides a detailed, step-by-step explanation of the given statistics problem.

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Hi there,

Thanks for letting me work on your post. Here is my explanation:

1) f(4)=2*4+3=11; f(-2)=2*(-2)+3=-1

2) The domain is the value of x and therefore, the domain is 1, 4, 7, 12, 14 and ...

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