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## Types of Graphs

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**Types of Graphs**PIE Graph LINE Graph BAR Graph PICTURE Graph**Pie Graph**• Use for percentages • Should total to 100% or 360 degrees**Line Graph**• Use with data that changes continuously**Bar Graph**• Make comparisons between different variables very easy to see • Clearly show trends in data, meaning that they show how one variable is affected as the other rises or falls**Picture Graph**• Shows the same type of information as a bar graph**Important things that MUST be on a graph**• X-axis and Y-axis • Title and Sub titles on X-axis & Y-axis • Units and Numbering on X-axis & Y-axis • Legend and Key**X-axis and Y-Axis**• X-axis is the Independent Variable • on the horizontal line • chosen by the experimenter • Stays constant, controlled • Example – Time • Y-axis is the Dependent Variable • on the vertical line • variable that CHANGES and is measured • Example – Weight (grams) or Height (cm)**Title and Subtitles of Graph**• Titling your graph allows other people to read your graph and understand what the graph is all about • Example- “Student’s Favorite Juices” • Subtitles identify the variables being measured • Example – Juices • Example – Number of Students**Units and Numbering**• Numbers and units on the axis must be in even increments and evenly spaced • Every line does not need to be numbered • You must stay consistent and use all of the graphing area • Numbering Example – 2,4,6,8 • Units Example – Red, Orange**Legend or Key**• If making a multiple line graph you MUST have one • Not always necessary