Life in Scotland ?

Hello everyone,

I have few doubts about Scotland , I am basically originated from India , but from last 2 years leaving in Germany , about to complete my Master in Electronics Engineering , with 1+ year work experience , i am looking for some jobs in Scotland , so i want to know some important information

1) what is Avg salaries for master student with 1+ year work experience ?

2) Avg Monthly Rents for Single room for a bachelor ?

3) Any mandatory health insurance's ?

4) What are taxes per annum ?

5) Public transportation ?

i am waiting  positive answers , i read previous forums , but i could find proper answers

with best  wishes

Rohit .A