Respuesta :

all you have to do is 
1) order data from lest to greatest 
2) find 2 middle number
3) add both numbers 
4) put fraction and then put 2 under the bottom 
(example)
                 27,33,38,41,42,52,60,64,68,72
                                 ^   ^                                  42+52=94 divide by 2= 94/2  
                              AVERAGE
Mean: 49.7        Median:47