The median of the observations: 12, 59, 14, 46, 18, 42, 26, 33, 22 is:

The correct answer is Option (3) → 26

First, arrange the observations in ascending order:

12, 14, 18, 22, 26, 33, 42, 46, 59

There are 9 observations (odd number), so the median is the 5th term.

5th term = 26