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graphs
| Question | Answer |
|---|---|
| when you want to show how a continuous variable changes and develops over a sequence | line graph |
| two quantitative vars for each item; want to see if they share a relationship | scatterplot |
| when you want to compare independent categories | bar graph |
| when you want to see shape & spread of continuous numerical data | histogram |
| when you want to see a total split into parts that add up to 100% | pie chart |
| when you want to compare data distributions & spot spread | box plot |
| when there's exponential growth or wide data ranges | log graph |