It was dmetri Mendeleev and julius lot harder Meyer.
Answer:
A) 21
Explanation:
First, we need to order them in number order. That would look like:
13, 17, 21, 21, 23, 25
Next, we cancel off numbers from the ends one by one.
17, 21, 21, 23
21, 21
Final Answer: Our median is 21.
<span>According to the rules of the Ouija board, this means that there is an angel trapped in the board, and that you should say goodbye immediately. In this case, force the planchette (the triangular thing you have your hands on during the game) to glide over the word "goodbye." This way, you can be sure to close the portal of communication to the other realm, and ensure your safety.</span>
