Find the median of the following frequency distribution: Weekly wages (in Rs.)           60-69                  70-79     80-89     90-99                  100-109 110-119 No. of days:             5             15                  20           30           20                  8

Explanation

To find the median of the given frequency distribution, we will follow these steps:

### Step 1: Convert the inclusive classes to exclusive classes
To convert the inclusive classes to exclusive classes, we subtract 0.5 from the lower limit and add 0.5 to the upper limit of each class.

- The original classes are:
- 60-69
- 70-79
...