Question 1: What is a 'bar graph' and how is it used in human geography?

Answer: A bar graph is a chart that uses rectangular bars to represent data values; in human geography, it is used to compare variables such as population sizes or migration numbers across different regions.

Question 2: Define 'population pyramid' and give an example of its use.

Answer: A population pyramid is a graphical illustration showing the age and sex distribution of a population; for example, it is used to analyze age demographics in Nigeria.

Question 3: What is a 'line graph' and what kind of data does it typically display?

Answer: A line graph uses points connected by lines to show data trends over time or categories, such as urban population growth over decades.

Question 4: Explain the purpose of a 'pie chart' in presenting geographical data.

Answer: A pie chart displays parts of a whole as slices, used to show proportions, for example, the percentage of different ethnic groups in London.

Question 5: Name two advantages of using graphs in human geography.

Answer: Graphs make complex data easier to interpret visually and allow quick comparison of different datasets.

Question 1: Which type of graph would best illustrate the age distribution of a population?

Answer: Population pyramid

Question 2: What information does a line graph typically show in human geography?

Answer: It shows trends or changes over time, such as migration flows or urban expansion.

Question 3: Name one key feature of a bar graph used to compare data across different regions.

Answer: The length of the bars, which corresponds to the data values.

Question 4: Identify the main purpose of a pie chart in human geography.

Answer: To show proportions or percentages of different categories within a whole.

Question 5: Name a real-world example where graphs are used to analyze migration patterns in the UK.

Answer: Graphs are used to analyze the increase in migration from Eastern Europe to London between 2004 and 2014.

Question 1: Based on the migration data provided, which type of graph best illustrates the annual migration numbers to London from 2010 to 2020?

Answer: Line graph

Question 2: The data shows a steady increase in migration from Eastern Europe to London between 2012 and 2018. Which graph type would best represent this trend and why?

Answer: A line graph would best represent this trend because it clearly shows the increase over time.

Question 3: The proportion of migrants from Asia in London is 35%, while from Africa is 20%. Which graph type effectively shows these proportions?

Answer: A pie chart effectively displays these proportions visually.

Question 4: Identify two key insights that can be gained from analyzing the migration data in the case study.

Answer: Migration from Eastern Europe has increased significantly since 2012, and the majority of migrants come from Asia and Africa, indicating changing migration patterns.

Question 1: Explain why a line graph is suitable for showing annual migration trends to London.

Answer: A line graph is suitable because it clearly displays changes over time, making it easy to identify periods of increase or decrease in migration numbers.

Question 2: Analyse the causes of the rising migration from Eastern Europe to London between 2012 and 2018.

Answer: The rise in migration from Eastern Europe to London from 2012 to 2018 can be attributed to factors such as the EU expansion in 2004 and 2007 allowing free movement, economic opportunities in London, and improved transport links making migration easier.

Question 3: Explain how demographic data visualized in graphs can help local authorities plan for services in London.

Answer: Demographic data in graphs helps authorities understand age groups, ethnic composition, and migration patterns, enabling better planning for housing, healthcare, education, and social services.

Question 1: To what extent do you think graph skills are essential for analyzing human geography issues like migration? Justify your answer.

Answer: Graph skills are crucial in human geography because they enable clear visualization and interpretation of complex data, making trends and patterns easier to identify. They support evidence-based decision-making and help communicate findings effectively. For example, analyzing migration flows requires understanding changes over time, which is facilitated by line graphs. Without these skills, it would be challenging to accurately assess issues like urban growth or demographic shifts, potentially leading to less informed policies. Therefore, mastering graph skills is fundamental for any geographer studying human migration and related phenomena.