Graphs & Data Tables

Data Tables Data tables are used to organize & analyze information collected during a lab

Making a Data Table Title Effects of Various Fertilizers on Plant Growth Fertilizer Brand Plant Height Trial 1 Trial 2 Plant Height Trial 3 A 5 cm 6 cm 4 cm B 3 cm C 1 cm 2 cm

Graphing Basics All graphs need: A Title Label axis Appropriate Scale Data Points

Labeling Axis The Independent Variable always goes on the X axis The Dependent Variable always goes on the Y axis Y axis X axis

Types of Graphs Bar Graph Histogram Compares one or more set categories Uses ranges of data to compare

Types of Graphs Line Graphs Pie Charts Shows how things change over time or cause & effects Shows percentages or parts of a whole

Which type of graph would you use? 1. To compare the height of boys vs. girls in you class? Bar graph 2. To show how plant height changes over time? Line graph 3. To show how what percent of money your school gives to after school programs? Pie chart 4. To show how temperature affects the activity level of fish? 5. To compare volume and length of green beans? 6. Which variable goes on the x- axis? Independent Variable 7. Which variable goes on the y-axis? Dependent Variable

Interpreting Graphs & Data Tables Examples

Pie Charts