
Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
Edition 3ISBN: 978-9352863501
Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
Edition 3ISBN: 978-9352863501 Exercise 16
Show that the pooled standard error [ SE pooled (
m -
v )] given following Equation (3.23) equals the usual standard error for the difference in means in Equation (3.19) when the two group sizes are the same (n m = n w ).
![Show that the pooled standard error [ SE pooled ( m - v )] given following Equation (3.23) equals the usual standard error for the difference in means in Equation (3.19) when the two group sizes are the same (n m = n w ).](https://d2lvgg3v3hfg70.cloudfront.net/SM2685/11eb817c_773f_f50c_84e6_299331b19f34_SM2685_11.jpg)
![Show that the pooled standard error [ SE pooled ( m - v )] given following Equation (3.23) equals the usual standard error for the difference in means in Equation (3.19) when the two group sizes are the same (n m = n w ).](https://d2lvgg3v3hfg70.cloudfront.net/SM2685/11eb817c_773f_f50d_84e6_33d5bfd6c4d2_SM2685_11.jpg)
Explanation
We need to show that the pooled standard...
Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
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