regression questions 1

1. Given the least squares regression line,

a.

the relationship between X and Y is nonlinear.

b.

as X increases, Y decreases.

c.

as X decreases, so does Y.

d.

the relationship between X and Y is positive.

e.

there is no relationship between X and Y.

In reference to the equation, ln left parenthesis stack Y right parenthesis with hat on top equals negative 0.70 plus 1.25 space ln left parenthesis X right parenthesis , the value 1.25 is the expected change in Y when X increases by one percent.

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