Geography Graphs Flashcards
What is a drawback of pictograms?
They lack accuracy.
When are scatter graphs used?
They are used to see if information about two different things is linked or related.
Discuss the three main types of correlation shown by scatter graphs.
Positive correlation: slopes up L to R, as one value increases so does the other.
Negative correlation: slopes down L to R, as one value increases, the other decreases.
No correlation: no best fit line can be drawn, no relationship.
When should we use a pie graph/chart?
To show proportion to help us see how something is divided up. 🍰
Describe ‘compound line graphs’.
It shows how something changes and how it is broken up into different parts.
When would we use line graphs?
When we want to show changes or trends over a period of time. 🕰
What are ‘divided bar charts’?
They compare several pieces of information from different groups at the same time.
When is a bar graph used?
When you need to compare different things or quantities.
Define ‘primary data’.
Information that we collect ourselves.
Define ‘secondary data’.
Information from other sources. Like when our mom gathers the information for us and gives it to us!
What is a pictogram?
A graph that uses pictures or symbols to show data.
