ECON 120A

Econometrics - Answer The branch of economics that develops and uses statistical methods for estimating economic relationships Experimental Data - Answer Data that have been obtained by running a controlled experiment Nonexperimental Data - Answer Data that have not been obtained through a controlled experiment Empirical Analysis - Answer A study that uses data in a formal econometric analysis to test a theory, estimate an economic relationship, or determine the effects of a...

confidence interval - Answer covariance - Answer correlation formula - Answer = Covariance/(std x * std y) simple random sampling - Answer Y1 and Y2 are independently and identically distributed law of large numbers - Answer Y bar becomes a consistent estimator of u (pop mean) when n gets larger and larger Central Limit Theorem - Answer The theory that, as sample size increases, the distribution of sample means of size n, randomly selected, approaches a normal ...

use stata as calculator - Answer di or display help files - Answer help *** strings - Answer words, make sure to put quotation marks example: display "hello world" Check working directory - Answer pwd change working directory - Answer cd "/Users/nellyzerbib/Desktop/ECON POLI 5/data sets/week 2" use college_, replace how to quickly view variables - Answer use describe command how to see data - Answer br or browse to see descriptive stat...