63.3% 3. (6 marks) The United Kingdom contains 4 countries, England, Scotland, Wales and Northern Ireland. Some people who live in Scotland feel especially strongly that Scotland should be independent of the United Kingdom. (The United Kingdom is dominated by England, because there are more people living in England than Scot- land). A survey is to be taken about attitudes towards independence of Scotland. The survey will cover all of the United Kingdom. a The researchers proposed to use simple random sampling. Did they appear to choose the right sampling method? Explain. b If you believe the method in (a) was correct then provide an advantage of the method. If you believe it was not correct then state the a appropriate method and provide an advantage of using it