Question: What is the population of the largest canton?

Is "Their populations vary between 15,000 (Appenzell Innerrhoden) and 1,253,500 (Zurich), and their area between 37 km2 (14 sq mi) (Basel-Stadt) and 7,105 km2 (2,743 sq mi) (Graubunden)." the correct answer?
Choose your answer from: A). yes; B). no;
A).