Statistics
Median
Premium Question
Grade 11
Question:
The median of the data 12, 10, 15, 10, 16, 12, 10, 18, 12, 16 is:
(1) 10
(2) 12
(3) 14
(4) 16
Step-by-Step Solution
Key Concept: Arrange all ten values in ascending order first; since there is an even number of observations, the median is the average of the $5^{\text{th}}$ and $6^{\text{th}}$ values in this ordered list.
The detailed step-by-step mathematical proof is available inside the Mathbee app workspace.
Correct Answer: (2)