Blog: STA301 FinalTerm Paper 1 (Fall 2009)

Question No: 1    ( Marks: 1 )    - Please choose one
  Mean deviation is always:

       ► Less than S.D
       ► Greater than S.D
       ► Greater or equal to S.D
       ► Less or equal to S.D


Question No: 2    ( Marks: 1 )    - Please choose one
  The value of χ2can never be :

       ► Zero
       ► Less than 1
       ► Greater than 1
       ► Negative


Question No: 3    ( Marks: 1 )    - Please choose one
  The mean of the F-distribution is:


Question No: 4    ( Marks: 1 )    - Please choose one
If X and Y are random variables, then E(X-Y)  is equal to: