PLZ CAN YOU EXPLAIN HOW YOU SOLVED THE ANSWERS
1) Find the mean
12,13,15,15,16,19,19,19,20,21,25
A) 17.64
B) 19
C) 15

2) find the mean
42,53,54,55,59,59,60,63,65,67,70,71,73
A) 60
B) 59
C) 60.85

3) find the mean
6,6,8,7,10,14,13,6,5,7,8,10,13,6,7
A) 6
B) 8.4
C) 7