The mean deviation of the data 3,10,10,4,7,10,5 (a) 2 (b) 2.57(c)3 (d) 3.57

Explanation

To find the mean deviation of the data set \(3, 10, 10, 4, 7, 10, 5\), we will follow these steps:

### Step 1: Calculate the Mean
The mean (\( \bar{x} \)) of a data set is calculated using the formula:

\[ \bar{x} = \frac{\sum x_i}{n} \]
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