- A15.5 thousand
- B15.33 thousand
- C15 thousand
- D18.5 thousand
Step-by-Step Solution
Values: 12, 18, 15, 22, 9, 16. Sorted: 9, 12, 15, 16, 18, 22. Median thousand. (15.33 thousand is the mean; 18.5 averages the 3rd and 4th months without sorting.)
Answer: A) 15.5 thousand