Find the mean of the following data. (a) 9, 7, 11, 13, 2, 4, 5, 5 (b) 16, 18, 19, 21, 23, 23, 27, 29, 29, 35

Find the mean of the following data.

 

(a) 9, 7, 11, 13, 2, 4, 5, 5

 

 

 

(b) 16, 18, 19, 21, 23, 23, 27, 29, 29, 35