Question

Consider the following sample of data. Y 20.5 19.6 45.9 43.1 47.9 X 2 2.3 4.6...

Consider the following sample of data.

Y 20.5 19.6 45.9 43.1 47.9
X 2 2.3 4.6 4.6 5.2

For this data, we have that:

  • SXX=
  • SYY=
  • SXY=
  • β^0=
  • β^1=

Homework Answers

Answer #1

Solution:

we solve that pronbelm using the formula

x y x^2 y^2 xy
2 20.5 4 420.25 41
2.3 19.6 5.29 384.16 45.08
4.6 45.9 21.16 2106.81 211.14
4.6 43.1 21.16 1857.61 198.26
5.2 47.9 27.04 2294.41 249.08
sum 18.7 177 78.65 7063.24 744.56

answer :

sxx 8.712
Syy 797.44
Sxy 82.58
b0 -0.05
b1 9.479

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