Calculate the median from the following data:Marks:                0-10         10-30                           30-60       60-80                           80-90`
No. of Students  5              15                           30            8                           2

Explanation

To calculate the median from the given data, we will follow these steps:

### Step 1: Organize the Data
We have the following data:

| Marks | Frequency (f) |
|-----------|---------------|
| 0 - 10 | 5 |
...