Find the mean deviation about the median for the following data 2,4,6,3,9,3,15,7,12

Explanation

To find the mean deviation about the median for the given data set \(2, 4, 6, 3, 9, 3, 15, 7, 12\), we will follow these steps:

### Step 1: Arrange the data in ascending order
First, we need to arrange the data in ascending order.

**Data**: \(2, 3, 3, 3, 4, 6, 7, 9, 12, 15\)

### Step 2: Find the median
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