Step 1: Understanding the Question:
• The question asks which of the listed averages is regarded as the real measure of central tendency.
Step 2: Detailed Explanation:
• Mean, Mode and Geometric Mean are calculated or located using the whole distribution or its most frequent class, whereas the Median is the positional value that divides the ordered series into two equal halves.
• As per the NTA final answer key, the Median is the accepted answer.
Step 3: Final Answer:
The correct option is (D) Median.