The OLS regression output of wages (Rs in thousand) on education (years of schooling S) and cognitive ability scores (CA) comes out to be:
with figures in parenthesis giving standard error.
The explained sum of squares is 4745.75 with degrees of freedom 2 and residual sum of squares is 33651.28 with degrees of freedom 567, which of the following statements is/are true?
(A) For one year increase in schooling, wage per hour increases by Rs. 640 on the average, when CA is kept constant.
(B) The value of t statistic of CA is 3.
(C) The F statistic is given by F = \( \frac{(4745.75 / 2)}{(33651.28 / 567)}\)
(D) The F statistic is given by F = \( \frac{(33651.28 / 567)}{(4745.75 / 2)} \)
Choose the correct answer from the options given below:
1
(A), (C) Only
2
(A), (B), (D) Only
3
(A), (B), (C) Only
4
(A), (D) Only