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Question
how to perform paired t-test using Base/SAS & SAS/Stat?
 Question Submitted By :: SAS
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
proc ttest data=a;
paired var1 var2;
run;
 
Is This Answer Correct ?    7 Yes 3 No
Mili
 
Answer
# 2
I tried the above code.But it worked after I gave * or :
between var1 and var2.

proc ttest data=a;
paired var1:var2;
run;
 
Is This Answer Correct ?    4 Yes 2 No
Shwetha
 
 
 

 
 
 
Other SAS Interview Questions
 
  Question Asked @ Answers
 
What is criteria for adverse events and treatment-emergent adverse events? Accenture 2
If you set a label in the data step and call a proc freq on the data, how do you display the data without the labels and just the variables.   1
"What is the difference between proc sort nodup and proc sort nodupkey?"   2
what is the use of LRECL option. L&T 1
i have a dataset with 25 obs; 10th obs has like ramu,anji,ramu,azad,ramu like this. i want to know how many times the word repeats in that obs?   2
Can you calculate the mean, median and mode of the following data set using data step logic? Don't use any function or procedure. data a; input age @@; datalines; 22 32 32 32 43 23 24 56 45 54 28 29 27 26 25 28 30 20 18 37 36 47 46 56 19 20 ; run; I have calculated the mean which i have posted in the answer section. HSBC 6
In the SAS Data step what is the difference between the subsetting done by Where and subsetting done by If? Cognizent 4
what are different analysis datasets you created and what are the new variables created Sciformix 2
Which is the best place to learn SAS clinicals and Oracle clinical in hyderabad?   2
what is the frontend and backend of sas? Is sas is a progaming langauge or tool? on which langauge sas depends?   3
how to display duplicated observations in a data using base sas. HCL 12
When looking for data contained in a character string of 150 bytes, which function is the best to locate that data: scan, index, or indexc? Accenture 2
 
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