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** Application 1 do file *******
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** May 26, 2021 ****************
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*First step is to change the directory to where the data sets are stored *
	cd "E:\My Drive\Heal STATA Trainings\Training 1\data"


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* Practice 

* Question 1 *
	use campus, clear
	sum enroll
	
	
* Question 2 *
	insheet using ACS


cd "G:/Price/data"

*Step 1*
import excel using birth_data.xlsx, clear first sh("data")


*Step 2*
	* Question 3 *
	sum birthweight
	
	* Question 4 *
	count
	* or you can see observations from the sum *
	
	* Question 5 *
	tab cigarettes
	
	* Question 6 *
	sum cigarettes
	
	* Question 7 *
	sum mother_age mother_education father_age father_education
	
	* Question 8 *
	sum apgar1
	
	* Question 9 *
	tab  apgar1
	
	** Question 10 *
	ttest birthweight=3371
	
	* Question 11 *
	ttest birthweight, by(baby_gender)
	
	* Question 12 *
	ttest apgar1=apgar5