Answer:
line graphs
Explanation:
line graphs aid in making PREDICTIONS about the outcomes of data that has not yet been recorded
even if data isn't perfect, a line graph can show a general pattern
Line graphs are used to track changes across time, both short and long.
When there are fewer changes, line graphs are preferable over bar graphs.
Line graphs can also be used to compare changes for multiple groups over the same time period.
Line graphs are valuable because they clearly display data variables and patterns
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