Using a sample of 63 observations, a dependent variable Y is regressed against two variables X 1 and X 2 to obtain the fitted regression equation Y 76 40 6 388 X 1 0 870 X 2 The standard error of b 1 is 3 453 and the standard error of b 2 is 0 611 At a 05, we could a conclude that both coefficients differ significantly from zero b reject Ho b1 0 and conclude that Ho b1 0 c reject Ho b2 0 d conclude that Evan's rule has been violated

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Question: Using a sample of 63 observations, a dependent variable Y is regressed against two variables X 1 and X 2 to obtain the fitted regression

Using a sample of 63 observations, a dependent variableYis regressed against two variablesX₁andX₂to obtain the fitted regression equationY= 76.40 - 6.388X₁+ 0.870X₂. The standard error ofb₁is 3.453 and the standard error ofb₂is 0.611. Ata= .05, we could:

a. conclude that both coefficients differ significantly from zero

b. reject Ho: b1 >=0 and conclude that Ho: b1 <0

c. reject Ho: b2 <= 0 and conclude Ho: b1 >0

d. conclude that Evan's rule has been violated.

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