Sentence 1: The estimated middle income for a household in the city in 2013 was $ 63,121 , while the median income for a household in the city was $ 78,090 .
Sentence 2: The estimated middle income for a household in the city in 2013 was $ 63,121 , while the median income for a household in the city was $ 78,090 .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?