Table: list of tallest buildings in ottawa - gatineau
Question: Is there any difference in the average number of floors of proposed buildings compared to approved buildings? Answer with only 'Yes' or 'No' that is most accurate and nothing else.
Step 1 (Operation, Indexing): status
Step 2 (Operation, Grouping): status = proposed and status = approved 
Step 3 (Reasoning, Aggregating): AVG, floors	
Step 4 (Reasoning, Arithmetic): comparison, average proposed buildings' floor compared to approved buildings' floor
Answer: Yes