Answer:
(a) Mean yearly temperature = 10.58
(b) 
Explanation:
Given:
The attached chart
Solving (a): The mean yearly temperature.
This is calculated as:




Solving (b): The mean July temperature.
From the chart:

Answer:
This is very positive mean.
There’s too many to count
Answer:
no social hierarchy
Explanation:
in communism the ideology is about everyone being equal therefore, there shouldn't be a social hierarchy