For the following two questions, use the following information. We have three eq

Question

For the following two questions, use the following information. We have three equations. They are (1) Weight = a_1 + 6(Height); 2) Weight - a_2 + 5(Height) + 22(Sex). Where Sex = 0 if female. 1 if male, and (3) Weight - 150 + 35(Sex). In equation 3. what is the 150 telling us? (I know it is the intercept; don't tell me that.) The coefficient 6 in equation one is one unit larger than the 5 in equation 2. Why is it larger? Whit is it taking into account? Explain the meaning. Don't describe the path.

Explanation / Answer

Answer:

a).

150 is the estimated weight when the person is female.

b).

The coefficient for Height in equation 1 is larger because it is not considering gender of the person separately.

Equation 2 to taking account of gender, so coefficient for Height in equation 2 is smaller, gender effect is added separately.

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