* open log file
log using class_size_4.log, replace

* open class_size_1, 420 observations from 
* california k-6 and k-8 schools
* 6th grad test scores
use ca_school_data_2

desc average_score student_teacher avg_income esl_pct meal_pct 
sum average_score student_teacher avg_income esl_pct meal_pct 

* run mv regression wth 4 x's
reg average_score student_teacher avg_income esl_pct meal_pct 

* run the same regression but ask for a 99% confidence level
reg average_score student_teacher avg_income esl_pct meal_pct, level(99)

log close