Correct Answer - Option 2 : 29.5

**Given:**

Data: 12, 51, 22, 42, 32, 18

**Concept:**

The **mean** is the average of the numbers.

It is easy to **calculate**: add up all the numbers, then divide by how many numbers there are. In other words, it is the sum divided by the count.

**Calculation:**

Mean = \({12\; + \;51\; + \;22\; +\; 42\; + \;32\; + \;18 \ \over 6}\) = 29.5

**∴ The mean of given data is 29.5**