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QUESTION 1 Numerically calculate the marginal effect of an increase in X at point X = 3 in the equation: Y=3+3X+4 X^2 (eg, avoid calculus- it will get the instantaneous slope) QUESTION 2 You have calculated via OLS: y = 0.96 +x_1*0.80 +x_2*-0.13 Calculate the average marginal effect on Y as x_1 goes from 1 to 8 while x_ stays constant at 0.27. Label your value with % if it is a percentage. QUESTION 3 You have calculated via OLS: y = 5.53 +In(x_1)*-7.45 +x_2*-0.64 Calculate the average marginal effect on Y as x_1 increases by 1% while x_2 stays constant. Label your value with % if it is a percentage. -7.45%

QUESTION 1 Numerically calculate the marginal effect of an increase in X at point X = 3 in the equation: Y=3+3X+4 X^2 (eg, avoid calculus- it will get the instantaneous slope) QUESTION 2 You have calculated via OLS: y = 0.96 +x_1*0.80 +x_2*-0.13 Calculate the average marginal effect on Y as x_1 goes from 1 to 8 while x_ stays constant at 0.27. Label your value with % if it is a percentage. QUESTION 3 You have calculated via OLS: y = 5.53 +In(x_1)*-7.45 +x_2*-0.64 Calculate the average marginal effect on Y as x_1 increases by 1% while x_2 stays constant. Label your value with % if it is a percentage. -7.45%

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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please answer both. but really need #2 

QUESTION 1 Numerically calculate the marginal effect of an increase in X at point X = 3 in the equation: Y=3+3X+4 X^2 (eg, avoid calculus- it will get the instantaneous slope) QUESTION 2 You have calculated via OLS: y = 0.96 +x_1*0.80 +x_2*-0.13 Calculate the average marginal effect on Y as x_1 goes from 1 to 8 while x_ stays constant at 0.27. Label your value with % if it is a percentage. QUESTION 3 You have calculated via OLS: y = 5.53 +In(x_1)*-7.45 +x_2*-0.64 Calculate the average marginal effect on Y as x_1 increases by 1% while x_2 stays constant. Label your value with % if it is a percentage. -7.45%
Transcribed Image Text:QUESTION 1 Numerically calculate the marginal effect of an increase in X at point X = 3 in the equation: Y=3+3X+4 X^2 (eg, avoid calculus- it will get the instantaneous slope) QUESTION 2 You have calculated via OLS: y = 0.96 +x_1*0.80 +x_2*-0.13 Calculate the average marginal effect on Y as x_1 goes from 1 to 8 while x_ stays constant at 0.27. Label your value with % if it is a percentage. QUESTION 3 You have calculated via OLS: y = 5.53 +In(x_1)*-7.45 +x_2*-0.64 Calculate the average marginal effect on Y as x_1 increases by 1% while x_2 stays constant. Label your value with % if it is a percentage. -7.45%
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