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How to Make a Graph

How to Make a Graph. Directions for the Line Graph Worksheet. Step 1: Which Kind of a Graph?. Choose a bar graph to compare Choose a line graph to show change Choose a bar graph if using qualitative data—hint: Are there words in the IV column

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How to Make a Graph

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  1. How to Make a Graph Directions for the Line Graph Worksheet

  2. Step 1: Which Kind of a Graph? • Choose a bar graph to compare • Choose a line graph to show change • Choose a bar graph if using qualitative data—hint: Are there words in the IV column • Choose a line graph if using quantitative data—hint: Are there numbers in both the IV column & DV column

  3. Step 2: Label the IV & DV? Height of Plant (cm) IV goes on the horizontal or the X-axis DV goes on the vertical or y-axis DaysGrown (#)

  4. Step 3: Write a Title Fast Plants Growing “Fast Plants” Height of Plant (cm) • The title should : • reflect what the graph is about • feature the IV and/or DV • Catch the interest of the reader. DaysGrown (#)

  5. Fast Plants Step 4: Determine the Scale Growing “Fast Plants” 14 12 • The scale should: • accommodate the lowest & highest number in data set. • use most of the space & • be neat & easy to read • 3. have EVEN INTERVALS 10 Height of Plant (cm) 8 6 4 2 DaysGrown (#)

  6. Fast Plants Step 4: Determine the Scale Growing “Fast Plants” 14 12 • The scale should: • accommodate the lowest & highest number in data set. • use most of the space & • be neat & easy to read • 3. have EVEN INTERVALS 10 Height of Plant (cm) 8 6 4 2 1 3 5 7 9 11 DaysGrown (#)

  7. Fast Plants Step 5: Plot the Data Growing “Fast Plants” 14 • Plot the points. • draw a line to connect the dots • **Draw a trend line • This is technically not a “line graph” because you cannot write a linear equation for it, it is a scatterplot. . . 12 . 10 Height of Plant (cm) 8 6 . 4 . 2 . 1 3 5 7 9 11 DaysGrown (#)

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