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Lecture: Graphing Rules. 1. Use only pencil: no computer graphs 2. Use only graph paper 3. Title at the top that describes what the graph is representing:

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Presentation on theme: "Lecture: Graphing Rules. 1. Use only pencil: no computer graphs 2. Use only graph paper 3. Title at the top that describes what the graph is representing:"— Presentation transcript:

1 Lecture: Graphing Rules

2 1. Use only pencil: no computer graphs 2. Use only graph paper 3. Title at the top that describes what the graph is representing: use x and y axis as a guide 4. All lines made with a straight edge 5. Two axis: x=horizontal: independent variable? y=vertical: dependant variable? 6. Each axis must have two descriptions of what is being represented: 1) variable and 2) the unit in which is graphed.

3 7. Graph data occupies at least half of the graph paper for both the x and y axis data: work BIG 8. All of the graph fits on to the page within the axis boundaries: no paper add-ons 9. scaling axis: identify max and min of data to begin scales for each axis, find their difference and divide by the # of axis lines (see wkst 2.3 as a guide) 10. Axis interval does not change and does not have to begin at zero 11. Data points are represented by dots and the dots are connected with straight lines for a line graph. “Best fit lines” are drawn on scatter plots.

4 12. Multiple lines require different symbols or different colors for different data 13. Multiple lines require an index/key which is within a box and is next to the graph 14. types of graphs: line/scatter, bar, pie


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