Choropleth maps (Edexcel GCSE Statistics): Flashcards
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9 cards from this deck
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Practise the cards
9 cards from this deck
What is the main purpose of a choropleth map?
What is the main purpose of a choropleth map?
To display data variation across regions using colour or shading.
What must every choropleth map include for proper interpretation?
What must every choropleth map include for proper interpretation?
A legend or key explaining what each colour or shading means.
How do darker shades on a choropleth map relate to data?
How do darker shades on a choropleth map relate to data?
Darker or more intense shading indicates higher data values.
What should you examine first when reading a choropleth map?
What should you examine first when reading a choropleth map?
The key, to understand what colours or patterns represent.
How are choropleth maps created using grid systems?
How are choropleth maps created using grid systems?
Shade each square based on the data value to show variation.
What patterns indicate highest and lowest values in a map?
What patterns indicate highest and lowest values in a map?
Highest: darkest or black; lowest: white or light shading.
What factors should be described when analyzing spatial patterns?
What factors should be described when analyzing spatial patterns?
Location of high/low areas, clusters, and change patterns.
What type of data is suitable for grid-based choropleth maps?
What type of data is suitable for grid-based choropleth maps?
Data covering regular areas like fields or regions.
Which shade for value 27 with key 0-10,11-20,21-30,31-40
Which shade for value 27 with key 0-10,11-20,21-30,31-40
Falls in 21-30 interval; use medium-dark shading