The following table gives the distribution of income of 100 families in a village. Calculate the standard deviation: Income Rs., 0-1000, 1000-2000, 2000-3000, 3000-4000, 4000-5000, 5000-6000 No. of Families, 18, 26, 30, 12, 10, 4

Explanation

To calculate the standard deviation of the given distribution of income for 100 families, we will follow these steps:

### Step 1: Create the Frequency Table
We have the following income distribution:

| Income Range (Rs.) | No. of Families (f) |
|--------------------|---------------------|
| 0 - 1000 | 18 |
...