Solve this :
3. The distribution below shows the numbers of wickets taken by bowlers in one-day cricket matches. Find the mean numbers of wickets by choosing a suitable method. What does the mean signify ?
Number of wickets | 20-60 | 60-100 | 100-150 | 150-250 | 250-350 | 350-450 |
Number of bowlers | 7 | 5 | 16 | 12 | 2 | 3 |