<Tr> <Td> Unranked </Td> <Td> 0--250 </Td> <Td> N / A </Td> </Tr> <Tr> <Td> (\ displaystyle \ bigstar) </Td> <Td> 251--400 </Td> <Td> Has limited facilities and services . Appeals to "budget minded" tourists . </Td> </Tr> <Tr> <Td> (\ displaystyle \ bigstar \ bigstar) </Td> <Td> 401--550 </Td> <Td> Appeals to tourists looking for more than basic accommodation . Has expanded facilities and "higher level" of comfort . </Td> </Tr> <Tr> <Td> (\ displaystyle \ bigstar \ bigstar \ bigstar) </Td> <Td> 551--700 </Td> <Td> Accommodation is deemed "very good". More spacious public areas and higher quality facilities and a greater variety of services . </Td> </Tr>

What's the difference between a 3 star and 4 star hotel