Bar graphs can be used to represent categorical data.
When a graph has no clear trend, it means the variables are related.
Scientists control changes in the independent variable.
Data points do not fall in a straight line on a(n) nonlinear graph.
When scientists use graphs to identify trends, they are making a forecast about what will happen in the future.
Because it is affected by gravity, an object’s mass would be less on the moon, where there is less gravity.