bar graphs are useful for comparing data b/c you cn actually see what the difference is between them.
Quick overview of data
Graphs are useful in various ways. They are commonly used in statistics to represent data which can be easily interpreted by other users.
data of what u want
it tells you data
There are a number of useful tools for organizing data. These include spreadsheets, creating graphs, and creating folders to organize all of your documents.
double bar graphs are used for comparing data between 2 different things.
They can be used in Marketing and Finance. They can also be used for co-ordinates or distance speed time graphs can be useful for journeys
Bar graphs show an '''amount''' of data. Line graphs show data '''over time.''' Pie graphs show a '''percentage''' in the data.
The way you can use graphs of polynomial functions to show trends in data is by comparing results between different functions. The alternation between the data will show the trends. Time can also be used to show the amount of variation.