Answer:
20.60
Explanation:
Mean standard cost of the room per night is the sum of all the cost of the rooms per night divided by the total number of rooms. So, this means that each room costs around 20.60 for a night. This gives the central tendency of the cost of each room.
Mean is given by
![\bar{x}=(1)/(N)\sum_(i=1)^(N)x_i](https://img.qammunity.org/2020/formulas/mathematics/high-school/r6gz2u0shsay0puxvu681yypggid6mivj7.png)
Where,
= the cost of the rooms
N = Number of rooms