Answer:
The mean of Hotel Alicante Royal is greater than that of Hotel Alcudia palace.
Explanation:
We are asked to find which hotel has higher mean for service?
So we will find the mean of service of both the hotel and compare which has higher mean.
Hotel: Alcudia Palace Hotel.
Service: 9 6.8 0 8 8.2 9 8 7
There are total 8 numbers.
Hence, the mean is:

Hotel: Alicante Royal Hotel
Service: 6 7.4 8 8.6 9 9
There are 6 values.
Hence, the mean is:

Clearly the mean of Hotel Alicante Royal Hotel is greater than Hotel Alcudia palace.
(Since 8>7).
The hotel which has higher mean value for service is:
Alicante Royal Hotel