Question: Suppose we have a linear equation through the origin (Exercise 7.28) Î¼ Y | x = Î² x . (a) Estimate the regression line passing

Suppose we have a linear equation through the origin (Exercise 7.28) Î¼_Y|_x= Î²_x.
(a) Estimate the regression line passing through the origin for the following data:

0.5 1.5 3.2 4.2 5.1 6.5 13.2 1.3 6.7 3.4 8.0 10.0

(b) Suppose it is not known whether the true regression should pass through the origin. Estimate the linear model Î¼_{Y |x} = Î²₀ + Î²_1x and test the hypothesis that Î²₀ = 0, at the 0.10 level of significance, against the alternative that Î²₀ ‰ 0.

0.5 1.5 3.2 4.2 5.1 6.5 13.2 1.3 6.7 3.4 8.0 10.0

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a b It can be calculated that b 1 1929 and b 0 0349 and hence y 0349 1929x whe... View full answer

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