In One Day International World Cup cricket matches, five bowlers have taken 16 wickets each, seven bowlers have taken 20 wickets each, twelve bowlers have taken 25 wickets each, eighteen bowlers have taken 30 wickets each and eight bowlers have taken 35 wickets each. The mean number of wickets taken by bowlers is:
1
28.8
2
26.8
3
27.5
4
29.4