12 10,9,68,12
What is the most appropriate measure of center?

The most appropriate measure of center is the median.

Step-by-step explanation:

The given data is 12 10,9,68,12 .

As it can be seen that, the data have extreme value 68 ( called outliers).

In this case, we will use the Median as the best measure of center.

So, the most appropriate measure of center is the median.