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Learn how to create a graph effectively with this easy-to-follow, step-by-step guide. Start by collecting your data and understanding the independent and dependent variables to label your axes correctly. Calculate the range and values for each axis, plot your data points accurately, and draw a line of best fit to represent your findings. Completing your graph visually communicates your experimental data and results. Follow these simple steps to create a professional graph that clearly illustrates your analysis.
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Step 2 – Label your axis • Usually, the first column of your data is the x axis on your graph. This is called your Independent variable • The second column is the y axis – called your Dependant variable • Label x (bottom), y (left) and put your title up top.
Step 3 – Calculate R/L for each axis Range Lines Range = the largest number you need to plot Lines = the number of lines on your axis This number tells you what each line on your graph is worth!
If the number is difficult to count by, (2.35, 12.1, 0.27) then round up to an easier number (0.1, 0.2, 0.25, 0.333, 0.5, 1, 2, 5, 10) Your graph will shorten by a little bit as a result
Step 4 – Fill in your axis • Use your R/L value to fill in the values on each line of your axis.
Step 5 – Plot your data • Use the x and y coordinates to mark each spot on your graph. • Mark the spot with a dot and a circle • This shows you are aware of the possibility of experimental error.
Step 6 – Draw a line of best fit • If it’s a straight line, use a ruler. • If it’s a curved line, draw a smooth curve through as many dots as possible • This also shows your awareness of experimental error.
Step 7 • Sit back and admire your graph.