Gráfico Circular

CANAL          FREQ. ABSOLUTA
RTP1                            0
RTP2                            0
SIC                               9
TVI                              7

Total:                          16                  




Cálculos:
16 -- 360                               16 -- 360                               16 -- 360
 0  -- x                                     7 -- x                                     9 -- x

X= 360x0                              X= 360x7                               X= 360x9
         16                                         16                                          16

X= 0                                      X= 2 520                                X= 3 240
                                                    16                                          16    
  
                                             X=157,5º                                X= 202,5º