From the given table find the Median :
Variable123456789Frequency5781291015222
9
For finding the median , we need to first arrange the data in ascending order as :
2 , 5 , 7 , 8 , 9 , 10 , 12 , 15 , 22
Since number of terms n = 9
Median will be the middle term i.e. The 5th term
∴ Median = 9