6. Example Problem VI - Mean

The distribution below shows the number of wickets taken by bowlers in one-day cricket matches. Find the mean number 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	\(7\)	\(5\)	\(16\)	\(12\)	\(2\)	\(3\)