T YPES OF GRAPHS Pie chart: shows how a whole is divided into percents.

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Presentation transcript:

T YPES OF GRAPHS Pie chart: shows how a whole is divided into percents

Line graph: Shows trends in data over time.

Scatter plot: used to determine if two variables are related

Bar graph: compares groups of information

R ECOGNIZING P ATTERNS IN G RAPHS In a direct relationship, when one variable increases, so does the other.

In an inverse relationship, when one variable increases, the other decreases.

When there is no relationship the graph looks like a collection of dots.

Which graphs show a direct relationship? A, E, F

Which graphs show an inverse relationship? B, C

Which graphs show a linear relationship? A, B, D, F

Which graphs show a non-linear relationship? C, E

In which graph does a change in the x-variable cause NO CHANGE in the y-variable? D

Which graph shows a stronger relationship between variables, graph A or graph F? A