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Question
how to perform paired t-test using Base/SAS & SAS/Stat?
 Question Submitted By :: Ramesh.katikala
I also faced this Question!!     Rank Answer Posted By  
 
  Re: how to perform paired t-test using Base/SAS & SAS/Stat?
Answer
# 1
proc ttest data=a;
paired var1 var2;
run;
 
Is This Answer Correct ?    4 Yes 1 No
Mili
 
  Re: how to perform paired t-test using Base/SAS & SAS/Stat?
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 ?    2 Yes 1 No
Shwetha
 
 
 

 
 
 
Other SAS Interview Questions
 
  Question Asked @ Answers
 
Can we replace a dataset into view? CliniRx4
how can u join the two tables without using proc sql Joins and nested queries ? IBM3
Name the option to produce a frequency line items rather that a table.  2
If you need the value of a variable rather than the variable itself what would you use to load the value to a macro variable?  3
How would you combine 3 or more tables with different structures?  3
IS SAS COMPILER OR INTERPRETER? EXPLAIN? HSBC2
What is _n_? Accenture19
Name statements that are execution only.  4
What is the significance of the ‘OF’ in X=SUM (OF a1-a4, a6, a9);?  5
how do we get duplicate observations in a separate dataset? CitiGroup6
What is difference between sas rename and lable?  1
How to do user inputs and command line arguments in SAS? D&B BoA1
Identify statements whose placement in the DATA step is critical. Accenture5
how can you improve the performance of a query, If it is excuting very slowly? Zensar1
Code a PROC SORT on a data set containing State, District and County as the primary variables, along with several numeric variables. Accenture5
If reading a variable length file with fixed input, how would you prevent SAS from reading the next record if the last variable didn?t have a value?  3
Does SAS ?Translate? (compile) or does it ?Interpret?? Explain.  8
my problem is to export my report to xsl.i can do that.but the problem is my report has 3 headings first heading should be printed with the merging of (1-5)cells and heading 2 should be of merge(2-4)cells?how to do this condition? Oracle1
how to shift the rows to cols? eg: i have like field1 field2 field3 10 20 20 this should be displayed as field1 10 field2 20 field3 30 (without the obs col) how do this?can i use transpose or tell me suitable way to do this? CMC3
sas implimented companies in hyderabad CTS7
 
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