MODE , VARIANCE , NTH PERCENTAILE

Hi,
Here i have an matrix like this,

ABC    PQR    XYZ   MNO
------   -------   ------   --------
3            6        7          15
2          12        24        15
20         5         1           2
25          50      15         35

i need to get the 
                                      "MODE" - for each column-wise
                                      "VARIANCE" - for each column-wise
                                      "25TH-PERCENTAILE" -for each
column-wise

i tried alots, and it was difficult to get. Someone can help me out please ?

- Antony                                        


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